2021A&A...656A.132S


Query : 2021A&A...656A.132S

2021A&A...656A.132S - Astronomy and Astrophysics, volume 656A, 132-132 (2021/12-1)

SRG X-ray orbital observatory. Its telescopes and first scientific results.

SUNYAEV R., AREFIEV V., BABYSHKIN V., BOGOMOLOV A., BORISOV K., BUNTOV M., BRUNNER H., BURENIN R., CHURAZOV E., COUTINHO D., EDER J., EISMONT N., FREYBERG M., GILFANOV M., GUREYEV P., HASINGER G., KHABIBULLIN I., KOLMYKOV V., KOMOVKIN S., KRIVONOS R., LAPSHOV I., LEVIN V., LOMAKIN I., LUTOVINOV A., MEDVEDEV P., MERLONI A., MERNIK T., MIKHAILOV E., MOLODTSOV V., MZHELSKY P., MULLER S., NANDRA K., NAZAROV V., PAVLINSKY M., POGHODIN A., PREDEHL P., ROBRADE J., SAZONOV S., SCHEUERLE H., SHIRSHAKOV A., TKACHENKO A. and VORON V.

Abstract (from CDS):

The orbital observatory Spectrum-Roentgen-Gamma (SRG), equipped with the grazing-incidence X-ray telescopes Mikhail Pavlinsky ART-XC and eROSITA, was launched by Roscosmos to the Lagrange L2 point of the Sun-Earth system on July 13, 2019. The launch was carried out from the Baikonur Cosmodrome by a Proton-M rocket with a DM-03 upper stage. The German telescope eROSITA was installed on SRG under an agreement between Roskosmos and the DLR, the German Aerospace Agency. In December 2019, SRG started to perform its main scientific task: scanning the celestial sphere to obtain X-ray maps of the entire sky in several energy ranges (from 0.2 to 8 keV with eROSITA, and from 4 to 30 keV with ART-XC). By mid-June 2021, the third six-month all-sky survey had been completed. Over a period of four years, it is planned to obtain eight independent maps of the entire sky in each of the energy ranges. The sum of these maps will provide high sensitivity and reveal more than three million quasars and over one hundred thousand massive galaxy clusters and galaxy groups. The availability of eight sky maps will enable monitoring of long-term variability (every six months) of a huge number of extragalactic and Galactic X-ray sources, including hundreds of thousands of stars with hot coronae. In addition, the rotation of the satellite around the axis directed toward the Sun with a period of four hours enables tracking the faster variability of bright X-ray sources during one day every half year. The chosen strategy of scanning the sky leads to the formation of deep survey zones near both ecliptic poles. The paper presents sky maps obtained by the telescopes on board SRG during the first survey of the entire sky and a number of results of deep observations performed during the flight to the L2 point in the frame of the performance verification program, demonstrating the capabilities of the observatory in imaging, spectroscopy, and timing of X-ray sources. It is planned that in December 2023, the observatory will for at least two years switch to observations of the most interesting sources in the sky in triaxial orientation mode and deep scanning of selected celestial fields with an area of up to 150 square degrees. These modes of operation were tested during the performance verification phase. Every day, data from the SRG observatory are dumped onto the largest antennas of the Russian Deep Space Network in Bear Lakes and near Ussuriysk.

Abstract Copyright: © ESO 2021

Journal keyword(s): X-rays: general - space vehicles: instruments - surveys - X-rays: galaxies: clusters - quasars: general - X-rays: binaries

Simbad objects: 68

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Number of rows : 68
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 ACO 426 ClG 03 19 47.2 +41 30 47           ~ 2149 1
2 ATLAS 19bcxp LXB 04 35 23.280 +55 22 34.25           ~ 27 0
3 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 16509 1
4 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5102 0
5 M 1 SNR 05 34 32 +22 00.8           ~ 6002 1
6 M 42 OpC 05 35 17 -05 23.4           ~ 3970 0
7 SN 1987A SN* 05 35 28.020 -69 16 11.07           SNIIpec 4781 2
8 NAME SRGt 062340.2-265751 CV* 06 23 40.21 -26 57 51.3           ~ 4 0
9 ACO 3391 ClG 06 26 15.4 -53 40 52           ~ 190 1
10 NAME Vela XYZ Rad 08 34.0 -45 50           ~ 1190 2
11 SN 2014J SN* 09 55 42.12 +69 40 25.9           SNIa 377 1
12 NAME Lockman Hole reg 10 45 00.0 +58 00 00           ~ 808 0
13 NAME North Polar Spur ISM 12 00 +00.0           ~ 346 1
14 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6379 0
15 NAME NGC 4839 Group GrG 12 57 24.3 +27 29 51           ~ 76 0
16 NGC 4839 rG 12 57 24.3563164776 +27 29 52.203087132 13.56 13.02 12.06     ~ 454 3
17 ACO 1656 ClG 12 59 48.7 +27 58 50           ~ 4599 2
18 MAXI J1348-630 HX? 13 48 12.7388336424 -63 16 29.709083208           ~ 88 0
19 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 1127 2
20 CFHQS J142952+544717 QSO 14 29 52.17 +54 47 17.7           ~ 44 0
21 V* V818 Sco LXB 16 19 55.0692669024 -15 38 25.017666540 11.60 12.40 11.1     Oev 1593 0
22 4C 39.49 BLL 16 53 52.21668403 +39 45 36.6088754 14.09 14.15 13.29 8.26   ~ 2065 2
23 SRGE J170245.2+130107 X 17 02 45.2 +13 01 07           ~ 1 0
24 V* V934 Her LP* 17 06 34.5128222328 +23 58 18.639373836 11.20 9.16 7.62     M2III 134 0
25 NAME Oph Cluster ClG 17 12 24.7 -23 21 01           ~ 262 0
26 SNR G347.3-00.5 SNR 17 12 27 -39 41.2     12.27     ~ 694 1
27 ACO 2255 ClG 17 12 50.04 +64 03 10.6           ~ 546 0
28 NAME Great Annihilator LXB 17 43 54.83 -29 44 42.6           ~ 664 1
29 NAME Fermi Bubbles bub 17 45 -29.0           ~ 374 0
30 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 13433 0
31 NAME Sgr A* X 17 45 40.03599 -29 00 28.1699           ~ 4041 3
32 2E 3943 LXB 17 46 05.20 -29 30 53.3           ~ 201 1
33 2E 3944 LXB 17 46 21.09 -28 43 42.3     12.50     ~ 119 0
34 [KRL2007b] 275 LXB 17 47 02.60 -28 52 58.9     14.20     ~ 172 0
35 NAME Mouse Rad 17 47 15.78 -29 58 01.0           ~ 106 1
36 SNR G000.9+00.1 SNR 17 47.3 -28 09           ~ 191 1
37 1RXS J174725.6-300241 LXB 17 47 25.4 -30 02 41           ~ 62 0
38 AX J1747.4-3000 LXB 17 47 25.90 -30 00 02.0           ~ 105 0
39 SAX J1750.8-2900 LXB 17 50 24.42 -29 02 15.4           ~ 137 0
40 X Sgr X-3 LXB 18 01 32.3 -20 31 44           ~ 229 1
41 MAXI J1810-222 X 18 12 29.4 -22 19 39           ~ 14 0
42 V* AM Her CV* 18 16 13.2546541781 +49 52 04.759861155   15.124 14.808 13.525   M4.5-5Ve 946 0
43 BD-10 4662 TT* 18 20 22.74972 -10 11 13.6263   12.00 10.62 10.24 8.884 K5Ve+K7Ve 83 0
44 4U 1823-00 LXB 18 25 22.02 -00 00 43.0   23.00 22     ~ 87 0
45 SNR G018.9-01.1 SNR 18 29.8 -12 58           ~ 59 0
46 SNR G021.8-00.6 SNR 18 32 45 -10 08.0           ~ 124 0
47 SNR G021.5-00.9 SNR 18 33 33.612 -10 34 07.69           ~ 436 1
48 V* MM Ser LXB 18 39 57.56 +05 02 09.6   19.2 19.2     ~ 339 0
49 ICRF J184208.9+794617 Sy1 18 42 08.9904975672 +79 46 17.127835104   16.06 15.38     ~ 1275 0
50 4U 1850-086 LXB 18 53 04.89 -08 42 19.7 20.40 21.20 21.0     ~ 245 1
51 4U 1907+09 HXB 19 09 37.1382681824 +09 49 55.279554289   19.41 16.35 14.40 12.53 O8.5Iab 329 1
52 X Aql X-1 LXB 19 11 16.0571313336 +00 35 05.868232692           ~ 1094 1
53 SS 433 HXB 19 11 49.5647697480 +04 58 57.827127648   16.3 13.0     A7Ib: 2052 4
54 Granat 1915+105 HXB 19 15 11.55576 +10 56 44.9052           ~ 2492 0
55 NGC 6814 Sy1 19 42 40.5862186152 -10 19 25.108718844   15.33 14.21 11.7 11.3 ~ 776 0
56 4U 1954+31 HXB 19 55 42.3383143920 +32 05 49.046285472   12.02 9.97     M4/5III 117 0
57 HD 226868 HXB 19 58 21.6757355952 +35 12 05.784512688 9.38 9.72 8.91 8.42   O9.7Iabpvar 4188 0
58 V* V1408 Aql LXB 19 59 24.0074252040 +11 42 29.859773292 18.40 18.97 18.95 18.70 18.66 ~ 185 0
59 Mrk 509 Sy1 20 44 09.7504483224 -10 43 24.727155528   13.35 13.12 10.7   ~ 1223 0
60 NAME Cyg Loop SNR 20 51.0 +30 40           ~ 883 0
61 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3061 0
62 NAME SRGe J213527.3-181634 ev 21 35 27.25 -18 16 35.5           ~ 4 0
63 V* SS Cyg CV* 21 42 42.8034497592 +43 35 09.867842484 11.07 12.651 12.032 9.326   K5V 1267 1
64 V* V1341 Cyg LXB 21 44 41.1544345272 +38 19 17.066570988 15.00 15.13 14.68 15.00   A9III 1116 1
65 V* FO Aqr CV* 22 17 55.3796835600 -08 21 03.754995948           ~ 351 0
66 NAME Cas A SNR 23 23 24.000 +58 48 54.00     14.30     ~ 2668 1
67 NAME Local Bubble ISM ~ ~           ~ 821 0
68 NAME Galactic Ridge ? ~ ~           ~ 478 1

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2023.01.30-22:54:15

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