X-Atlas

All-sky map of X-Atlas targets
An all-sky coverage map of stellar X-Atlas targets in galactic coordinates (hot stars in light blue, cool stars in yellow) overlaid on a 1.5 keV RASS image from Skyview.

High-Mass Stars (O, B, and Wolf-Rayet)

Catalog Number Common Name Observation IDs
(and Associated Publications)
Spec. Type of Primary Target (B-V) Mag Distance (pc) Observer
(and Proposal Abstract)
HD 93129AB HD 93129AB 5397, 7201, 7202, 7203, 7204, 7228, 7229 (2x)O2If*+O3.5 V((f+)) 0.2060 2500.0000 Dr. Wayne Waldron
GSC 03161-01335 Cyg OB2 7 2572 O3If* 1.4400 not available Dr. Joseph Cassinelli
HD 93250 HD 93250 5399, 5400, 7189, 7341, 7342 O3.5V((f+)) 0.1650 2500.0000 Dr. Wayne Waldron
HD 164794 9 Sgr 5398, 6285 O4V((f)) 0.0170 1500.0000 Dr. Wayne Waldron
HD 66811 Zeta Pup 640, 25 O4I(n)f -0.2760 710.0000 Dr. Stephen Murray
HD 150136 HD 150136 2569 O5III:n(f) 0.1610 not available Dr. Stephen Skinner
HD 37022 Theta-1 Ori C 3, 4, 2567, 2568 O5.5V 0.0210 490.0000 Marc Gagne
BD +40 4227 CYG OB2 8A 2572 O6If+O5.5III(f) 1.0900 not available Dr. Joseph Cassinelli
HD 206267 HD 206267 1888, 1889 O6.5V((f))+O9.5:V 0.2050 591.0000 Dr. Norbert Schulz
HD 47839 15 Mon 5401, 6247, 6248 O7V((f))+O9.5Vn -0.2480 447.0000 Dr. Wayne Waldron
HD 24912 Xi Per 4512 O7.5III(n)((f)) 0.0140 2126.0000 Dr. Derck Massa
HD 37043 IOTA ORIONIS 599, 2420 O9III+? -0.2440 1109.0000 Prof. Claude Canizares
HD 50761 Tau CMa 2525, 2526 O9II -0.1550 980.0000 Prof. Claude Canizares
HD 149757 ZETA OPH 2571, 4367 O9.5Vnn 0.0190 146.0000 Dr. Wayne Waldron
HD 37041 Theta-2 Ori A 4473, 4474, 3, 4, 2567, 2568 O9.5Vpe -0.0840 581.0000 Marc Gagne
HD 37468 Sigma Ori 3738 O9.5V+B0.5V -0.2400 381.0000 Dr. Stephen Skinner
HD 36486 DELTA ORI 639 O9.5II+B0.5III -0.2190 310.0000 Dr. Joseph Cassinelli
HD 37742J ZETA ORI 610, 1524 O9.7Ib -0.2080 278.0000 Dr. Wayne Waldron
HIP 16566 NGC 1360 608 O -0.2100 350.0000 Dr. Thomas Rauch
HD 5394 GAMMA CAS 1895 B0IVpe -0.1000 188.0000 Dr. Myron Smith
HD 37128 EPSILON ORI 3753 B0Ia -0.1900 412.0000 Dr. Wayne Waldron
HD 149438 TAU SCO 638, 2305 B0.2V -0.2010 132.0000 Prof. David Cohen
HD 111123 BETA CRU 2575 B0.5III -0.1520 108.0000 Prof. David Cohen
HD 37020 Theta-1 Ori A 3, 4, 2567, 2568 B0.5V 0.0200 not available Marc Gagne
Alpha Vir Spica (Alpha Vir) 4509 B1III-IV+... -0.1300 80.3900 Dr. Joseph Cassinelli
HD 68273 Gamma Vel 629 WC8+O7.5III-V -0.3200 368.0000 Dr. Stephen Skinner
HD 193793 WR 140 2337, 2338, 5419, 6286, 6287 WC7pd+O4-5 0.2700 1100.0000 Mr Andrew Pollock
HD 93308 ETA CARINAE 632, 3745, 3746, 3747, 3748, 3749 ?p 0.6100 2500.0000 Dr Michael Corcoran
HD 19356 ALGOL 604, 2 B8V+K1IV -0.0500 28.4580 Dr. Peter Predehl

Low-Mass Stars (F, G, K, and M)

Catalog Number Common Name Observation IDs
(and Associated Publications)
Spec. Type of Primary Target (B-V) Mag Distance (pc) Observer
(and Proposal Abstract)
HD 45348 Canopus 636 F0II 0.1500 95.8770 DR. ALEXANDER BROWN
HD 220657 HD 220657 3731 F8IV 0.6100 53.1070 Dr. Frank Harnden Jr.
BD-05 1315E Theta-1 Ori E 3, 4, 2567, 2568 G not available not available Marc Gagne
HD 128620J ALPHA CEN 29 G+... 0.5000 1.3500 DR. ALBERT BRINKMAN
HD 146361 TZ CRB 15 G0V+G0V 0.5100 21.6870 DR. JEFFREY LINSKY
HD 200391 ER Vul 1887 G0V+G5V 0.5700 49.8500 DR. Alexander Brown
HD 98230J XI UMA 1894 G0V 0.5900 not available DR JEREMY DRAKE
HD 129333 EK DRA 1884 G0V 0.5900 33.9400 Dr. Manuel Guedel
HD 111812 LS Com 1891 G0IIIp 0.6270 94.1620 Dr. Thomas Ayres
HD 223460 OU And 1892 G1IIIe 0.7900 134.9530 Dr. Thomas Ayres
HD 133640 44I BOO 14, 3757 G1V+G2V 0.6500 12.7570 Dr. Nancy Brickhouse
HD 72905 PI-1 UMA 23 G1.5Vb 0.5800 14.2700 DR. STEPHEN MURRAY
HD 210334 AR LAC-6 LAST QUAD (2) 6, 7, 8, 9, 10, 11 G2IV+K0IV 0.7200 42.0340 DR. CLAUDE CANIZARES
HD 283572 V987 TAU = HDE 283572 3756 G2III 0.7700 128.0410 PROF. STEVEN KAHN
HD 282624 SU AUR 3755 G2IIIevar 0.8000 151.9760 DR KESTER SMITH
HD 82210 24 URSAE MAJORIS 2564, 3471 G4III-IV 0.7530 32.3730 Dr. Thomas Ayres
HD 77137 TY Pyx 601 G5IV+G5IV 0.6640 56.0000 DR. CLAUDE CANIZARES
HD 21242 UX ARI 605, 597 G5IV 0.9000 50.2260 DR. ALBERT BRINKMAN
HD 22468 HR 1099, V711 TAU 1879 G5IV+K1IV 0.8520 28.9700 Dr. Manuel Guedel
HD 34029 Capella 57, 1010, 1099, 1100, 1101, 1103, 1199, 1235, 1236, 1237, 1318, 2583, 3674, 5040, 5955, 6471, 55, 8319 G5IIIe+... 0.8000 13.2400 Dr. CXC Calibration
HD 93497 Mu Vel 1890, 3410 G5IIIa 0.9140 35.4860 Dr. Thomas Ayres
HD 117555 FK Com 614 G5II 0.8700 234.1920 Dr. Derek Buzasi
HD 222107 LAMBDA AND 609, 2558, 3722 G8III+... 1.0800 not available Dr. Nancy Brickhouse
V2246 Oph DOAR 21 3761 K0 0.3300 not available Dr. Eric Jensen
HIP 17962 V471 TAU 2523 K0 0.7600 46.7900 Prof. Frederick Walter
HD 197890 SPEEDY MIC 2536, 3491 K0V 0.9400 44.4050 Dr. Stephen Murray
HD 174429 HIP 92680 3729 K0Vp 0.7700 49.6520 Dr. Salvatore Sciortino
HD 197433 VW CEP 3766, 2559 K0Vvar 0.7500 27.6550 Dr. Nancy Brickhouse
HD 4128 BETA CETI 974, 2547 K0III 1.0200 29.3770 Dr. Jurgen Schmitt
HD 245059 Lambda Ori X-1 5420, 6241, 7253 K1 0.7000 85.5000 Dr Marc Audard
HD 155555 V824 ARA 2538 K1Vp 0.7800 31.4170 DR. STEPHEN DRAKE
HD 36705 AB DOR 16 K1IIIp... 0.8000 14.9430 DR. JEFFREY LINSKY
HD 32918 YY MEN, HD 32918 2557 K1IIIp 1.0100 291.5450 Dr. Manuel Guedel
HD 62044 SIGMA GEM 5422, 6282 K1III 1.1200 37.4810 DR. Alexander Brown
HD 216489 IM PEG 2527, 2528, 2529, 2530, 2531, 2532, 2533, 2534 K1.5II-IIIe 1.1340 96.8050 Dr. David Huenemoerder
HD 224085 II Peg 1451 K2V+... 1.0100 42.3400 DR. CLAUDE CANIZARES
HD 22049 EPSILON ERI 1869 K2V 0.8800 3.2181 Dr. Jurgen Schmitt
HD 98800 TV CRT 3728 K5Ve 1.1600 46.6640 Prof. Claude Canizares
HD 319139 V4046 Sgr 5423, 6265 K5 0.9000 not available Mr. Gregory Herczeg
V* TW Hya TW HYA 5 K8Ve 0.7000 56.4300 DR. CLAUDE CANIZARES
HD 16157 CC Eri 4513, 6132 M0 1.3600 11.5100 Dr. Rachel Osten
HD 60179C YY GEM 28 M0.5V 1.4900 not available Dr. Peter Predehl
HD 197481 AU MIC 17 M1Ve 1.4400 42.3370 DR. JEFFREY LINSKY
GSC 07726-00011 Hen 3-600 4502 M3 1.5200 not available Prof. Joel Kastner
SAO 81292 AD Leo 2570, 24, 975 M3.5V 1.5400 4.6950 Dr. Stephen Murray
V* EV Lac EV LAC 1885 M3.5e 1.3600 5.0490 RACHEL OSTEN
HD 155555C CPD-66 3080B 2538 M4.5 1.5400 not available DR. STEPHEN DRAKE
V645 Cen PROXIMA CENTAURI 2388 M5.5Ve 1.9700 1.2950 Dr. Jeffrey Linsky
RX J0139.0-1757 UV CETI,GLIESE 65 1880 M5.5Ve -1.8500 2.6200 Prof Marc Audard
BETA CRU 2575 not available not available Prof. David Cohen

White Dwarfs, X-ray Binaries, and Cataclysmic Variables

Catalog Number Common Name Observation IDs
(and Associated Publications)
Spec. Type of Primary Target (B-V) Mag Distance (pc) Observer
(and Proposal Abstract)
WD 0005+511 KPD0005+5106 976 DA -0.3000 not available DR. STEPHEN MURRAY
WD 2309+105 GD 246 625 DAw 0.5250 not available Dr. Jean Dupuis
WD 1501+664 H1504+65 30 DZ... not available not available Dr. Stephen Murray
MR Vel RX J0925.7-4758 644 undef 2.0000 not available Hendrik Hartmann
1RXS J054648.3-710924 CAL 87 1896 undef not available not available Dr. Jochen Greiner
IGR J12349-6434 RT Cru 7186 undef not available not available Dr. Jennifer Sokoloski
HD 162214 RS Oph 7280 M2pe+... 1.0000 170.0000 Professor Sumner Starrfield
HD 221650 Z ANDROMEDAE 2336 M6.5 1.3500 427.0000 PROF. PHIL CHARLES
HD 182917 CH CYG 1904 M7IIIv 1.3200 268.0000 Dr Peter Wheatley
BD+14 341 TT Ari 5432, 6372, 7175, 7176 B 0.7000 not available Dr. Christopher Mauche
HD 64511 U GEM 647, 3767 sd:Be+... 6.5000 83.0000 Dr. Christopher Mauche
HD 174107 V603 AQUILAE 1901 sd:Be+... 0.0100 238.0000 Dr KOJI MUKAI
HD 206697 SS CYG 646, 648, 2307 A1pe+... -3.9000 130.0000 DR. CHRISTOPHER MAUCHE
1RXS J020952.1-631838 WX HYI 2670, 3721 undef not available not available DR. JOHN RAYMOND
1RXS J180751.8+055144 V426 OPH 2671 undef -0.5000 not available PROF. PAULA SZKODY
RX J0812.4+6236 SU UMA 2680, 3478 undef not available not available Dr Peter Wheatley
HD 21629 GK PER 3454, 3455 sd:Be+... -2.6800 170.0000 Dr. Christopher Mauche
HIP 101991 AE Aqr 5431 K5IV-Vv -1.2000 102.0000 Dr. Christopher Mauche
RX J1816.2+4952 AM HERCULIS 3769 M4.5 not available not available Dr KOJI MUKAI
RX J1252.4-2914 EX HYA 1706 M5/M6:... 1.8000 64.5200 DR. STEVE HOWELL
RX J1409.1-4517 V834 CENTAURI 3768 M6.5 1.8000 not available DR YUKIKATSU TERADA
1RXS J185502.1-310951 V1223 SGR 649 undef 0.1000 not available DR KOJI MUKAI
1RXS J225518.1-031040 AO PSC 1898 undef not available not available Dr Coel Hellier
RX J1143.6+7141 YY Draconis 5433, 7261, 7262 CV not available not available Dr KOJI MUKAI

Black Hole and Neutron Star Binaries

Catalog Number Common Name Observation IDs
(and Associated Publications)
Spec. Type of Primary Target (B-V) Mag Distance (pc) Observer
(and Proposal Abstract)
V479 Sct LS 5039 2730 O7V... 0.9400 not available Prof. Walter Lewin
GP Vel VELA X-1 102, 1926, 1927, 1928 B0Ia 0.3750 not available PROF. STEVEN KAHN
BP Cru GX 301-2 103, 3433 B1.2Ia 1.8000 not available Dr. Masao Sako
AX J1700.7-4139 OAO 1657-415 1947 B3:Ia-ab not available not available Prof. Deepto Chakrabarty
4U 1850-03 2S 1845-024 2689, 2690, 2691 undef not available not available Dr. Mark Finger
4U 1909+07 X1908+375: Low N_H 5476, 5477, 6336 undef not available not available Prof. Saul Rappaport
V381 Nor BHXB (0.05 CRAB) 679 K3III 1.8100 not available PROFESSOR WALTER LEWIN
KV UMa XTE J1118+48 1701 M0:... not available not available DR. JEFFREY MCCLINTOCK
V2116 Oph GX 1+4 2710 M5III 0.6000 not available Dr. Wei Cui
V691 CrA 4U 1822-37 671 undef -0.1000 not available DR. STEVEN KAHN
X1543-62 702 undef not available not available Dr Lorella Angelini
UY Vol EXO 0748-676 1017 undef not available not available Prof. Claude Canizares
V395 Car 2S0921-630 1909 undef 0.7000 not available Dr. Timothy Kallman
4U 1642-45 GX340+0 1921 undef not available not available Prof. Natale Robba
1A 1743-288 SAX J1747.0-2853 1935 undef not available not available DR CRAIG MARKWARDT
1RXS J180112.6-254435 GRS 1758-258 2429 undef not available not available Dr. William Heindl
Great Annihilator 1E 1740.7-2942 2491, 3670 undef not available not available Dr. William Heindl
EQ J165001.0-495745 XTE J1650-500 3400, 3401 undef not available not available Dr. John Tomsick
V821 Ara GX 339-4 4420, 5475, 6290 undef 0.8000 not available Dr. Michael Nowak
Big Dipper 4U 1624-49 4559 undef not available not available Prof Julia Lee
Granat 1758-258 GRS 1758-258 2750 undef not available not available Dr. William Heindl
V1341 Cyg CYG X-2 87 undef 0.3000 not available Dr. Peter Predehl
V5511 Sgr XTE J1814-338 4439 undef not available not available Prof. Deepto Chakrabarty
1A 1850-087 4U 1850-087 2746 undef 0.2000 not available Prof. Deepto Chakrabarty
INTREF 390 XTE J0929-314 3661 undef not available not available Prof. Deepto Chakrabarty
PSR J0142+61 4U 0142+61 1018 undef 2.4800 not available Prof. Claude Canizares
undef IGR J17497-2821 5470, 6613 undef not available not available Dr Adamantia Paizis

Supernovae, Gamma Ray Bursts, and Isolated Neutron Stars

Catalog Number Common Name Observation IDs
(and Associated Publications)
Spec. Type of Primary Target (B-V) Mag Distance (pc) Observer
(and Proposal Abstract)
LMC SN SNR1987A 124, 1387, 4640, 4641, 5362, 5363, 6099 Sm... 0.1800 not available Dr. Richard McCray
1E1048-59 2757, 2811 not available not available PROFESSOR LUIGI STELLA
GRB 990110 SGR 1900+14 2812 undef not available not available PROFESSOR LUIGI STELLA
HETE Trigger 2262 GRB020813 4364 undef not available not available Dr. george Ricker
HETE Trigger 2380 GRB021004 4381 undef not available not available PROF FIONA HARRISON
GRB 020405 GRB 020405 2825 undef not available not available Prof. FREDERIK PAERELS
GRB 030328 H2650 4432 undef not available not available Dr. george Ricker
HETE Trigger 3570 GRB041006 5520 undef not available not available Professor Gordon Garmire
GRB 061021 GRB061021 6722 undef not available not available Dr. Masao Sako

Active Galaxies and Quasars

Catalog Number Common Name Observation IDs
(and Associated Publications)
Spec. Type of Primary Target (B-V) Mag Distance (pc) Observer
(and Proposal Abstract)
ESO 434-40 MCG -5-23-16 2121, 6187, 7240 S0 D ~ 1.0500 not available Dr James Reeves
IRAS Z12080+3940 NGC 4151 335 Sa D ~ -0.7000 not available DR. CLAUDE CANIZARES
QSO B1404+2238 PG 1404+226 812 undef not available not available DR KIRPAL NANDRA
IRAS 10207+2007 NGC 3227 860 Sb D ~ not available not available DR IAN GEORGE
IRAS F22402+2927 ARK 564 863 SB D ~ -0.2000 not available PROF. KAREN LEIGHLY
QSO B1821+642 H 1821+643 1599 undef -0.0100 not available Prof. Claude Canizares
IRAS 11365-3727 NGC 3783 373, 2090, 2091, 2092, 2093, 2094 SBab D ~ 0.6500 not available Dr. Ian George
4U 0708-49 1H 0707-495 2304 undef not available not available PROF. KAREN LEIGHLY
4C 05.20 3C 120 3015 S0 D ~ 0.6200 not available Dr. Tahir Yaqoob
IRAS 22330-2618 NGC 7314 3016, 3719 Sc D ~ 0.6500 not available Dr. Tahir Yaqoob
QSO B1534+580 MARKARIAN 290 3567, 4399, 4441, 4442 E D ~ not available not available Prof. Claude Canizares
IRAS 01216-3519 NGC 526A 4376, 4437 undef not available not available Dr. Ian George
QSO B0844+3456 PG 0844+349 5599, 6244, 6245 undef 0.3300 not available Dr. Claude Canizares
QSO B1833+326 3C382 4910, 6151 undef 0.8900 not available Dr. Rita Sambruna
QSO J0057-2222 TON S 180 811 A 0.0800 not available DR. TRACEY TURNER
IRAS 11033+7250 NGC 3516 831 SB0 D ~ not available not available Dr. Hagai Netzer
8C 1821+643A H1821+643 2418, 2186, 2310, 2311 undef -0.0100 not available Prof. Smita Mathur
QSO B0241+622 4U 0241+61 2297 undef not available not available Dr John Arabadjis
2A 1207+397 NGC 4151 3089 Sa D ~ -0.7000 not available Dr. Patrick Ogle
QSO B1211+1419 PG 1211+143 4880, 5329, 5330 S... 0.2600 not available Dr James Reeves
GSC 04979-00074 NGC 5506 1598 S... D ~ 0.8800 not available DR. CLAUDE CANIZARES
IRAS 12329-3938 NGC 4507 2150 Sb D ~ 0.9200 not available PROF. STEVEN KAHN
IRAS F18325-5926 IRAS 18325-5926 3148, 3452 undef not available not available Prof. Claude Canizares
4C 70.05 MARKARIAN 3 873 S0 D ~ not available not available PROF. STEVEN KAHN
IRAS F05497-0728 NGC 2110 3417, 3418, 4377 S0 D not available not available Dr. Tracey Turner
IRAS 13025-4911 NGC 4945 4899, 4900 Scr... D ~ 1.3600 not available Dr. Greg Madejski
BODES GALAXY M81* 5600, 5601, 6174, 6346, 6347, 6892, 6893, 6894, 6895 Sb D ~ not available not available Dr Jon Miller
QSO J2151-3027 PKS 2149-306 336, 1481 undef -0.3000 not available DR. CLAUDE CANIZARES
8C 0836+710 Q0836+7104 1802 undef not available not available DR. CLAUDE CANIZARES
QSO B1253-05 3C 279 2971, 6867 undef not available not available Dr. WERNER COLLMAR
QSO J1728-1415 PDS 456 4063 undef not available not available Dr James Reeves
QSO J1229+0203 3C273 1198, 2464, 2471, 3574, 4431, 5170 S... not available not available Dr. CXC Calibration
QSO B2155-3027 1014, 1015, 1790, 1791, 1792, 1793, 1794, 1795, 1796, 1797, 1798, 1799, 2323, 2324, 2335 undef 0.2700 not available
QSO B1101+3828 MKN421 457, 4148, 5171, 5318, 5331, 5332, 6925, 8378 DC 1.0220 not available Dr. CXC Calibration
QSO B1426+428 1H1426+428 6089 B... 0.5000 not available Dr. CXC Calibration
SY1 IN OUTBURST 2983 not available not available Dr. Fabrizio Nicastro
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