2020AJ....159..221S


C.D.S. - SIMBAD4 rel 1.7 - 2021.05.18CEST03:56:44

2020AJ....159..221S - Astron. J., 159, 221-221 (2020/May-0)

Chandra resolves the double FU Orionis system RNO 1B/1C in X-rays.

SKINNER S.L. and GUDEL M.

Abstract (from CDS):

We present new Chandra X-ray observations of the close pair of young stars RNO 1B and 1C (6'' separation) located in the L1287 cloud. RNO 1B erupted in 1978-1990 and is classified as an FU Orionis star (FUor). RNO 1C also shows most of the properties of an FUor but no eruption has been seen yet. Only a few dozen FUors are known and the presence of two such objects with a small angular separation is rare, suggesting a common origin. Both stars were faintly detected by Chandra and we summarize their X-ray properties within the framework of other previously detected FUors. We also report other X-ray detections in L1287 including the deeply embedded young star RNO 1G, the jet-like radio source VLA 3, and an enigmatic hard flaring source with no Two Micron All Sky Survey counterpart that was only detected in the second of the two Chandra exposures.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Young stellar objects - FU Orionis stars - T Tauri stars

Simbad objects: 27

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Number of rows : 27

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 RNO 1F ISM 00 36 45.740 +63 29 04.09           ~ 5 0
2 V* V710 Cas Or* 00 36 45.9929553151 +63 28 52.968310752           ~ 86 0
3 V* V710 Cas B Y*O 00 36 46.6020931957 +63 28 57.617542780     15.50     ~ 53 0
4 [ARG94] VLA 1 Rad 00 36 46.7610 +63 28 57.583           ~ 5 0
5 [ARG94] VLA 2 Rad 00 36 47.09 +63 28 50.5           ~ 5 0
6 CXOU J003647.1+632850 X 00 36 47.10 +63 28 50.1           ~ 1 0
7 RNO 1G ISM 00 36 47.140 +63 28 49.95           ~ 4 0
8 CXOU J003647.3+632856 X 00 36 47.30 +63 28 56.1           ~ 1 0
9 JCMTSE J003646.4+632902 Rad 00 36 47.3660 +63 29 02.237           ~ 14 0
10 [ARG94] VLA 4 Rad 00 36 47.39 +63 28 53.7           ~ 7 0
11 CXOU J003647.4+632902 X 00 36 47.40 +63 29 02.7           ~ 1 0
12 LDN 1287 DNe 00 36 47.5 +63 29 02           ~ 86 0
13 GM 1-33 HH 00 36 47.5 +63 29 02           ~ 115 0
14 [KW97] 3-17 Or* 00 36 51.7734039102 +63 29 30.120609233   15.14 13.72 13.41   F5III 30 0
15 RAFGL 5123 Y*O 04 31 34.07736 +18 08 04.9020           K3V/M3III 821 0
16 V* V1118 Ori Or* 05 34 44.9889538895 -05 33 41.344187987 15.053 15.378 14.430 15.22 12.701 M1e 126 0
17 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2057 1
18 V* V883 Ori Or* 05 38 18.0974260202 -07 02 25.963144400   14.80       F:I: 122 0
19 V* FU Ori Or* 05 45 22.3650208559 +09 04 12.296285806   10.72 9.60     F0Iab 734 1
20 V* V1647 Ori Or* 05 46 13.1370923766 -00 06 04.876812846     18.1     ~ 239 1
21 V* V960 Mon Or* 06 59 31.5890184824 -04 05 27.764626541   16.11 14.94 13.92 12.67 ~ 32 1
22 V* V1515 Cyg Or* 20 23 48.0159810586 +42 12 25.780858811   15.26 13.39 12.03   G0/G2Ib 218 0
23 V* V2493 Cyg Or* 20 58 17.0282353931 +43 53 43.339695195   19.678 18.023 17.67 15.233 K7/M0e 98 0
24 EM* LkHA 190 Or* 20 58 53.7336698326 +44 15 28.384667940   14.26 12.33 12.13   F7/G3I/IIe 483 0
25 V* V1735 Cyg Or* 21 47 20.6624829527 +47 32 03.856911703           ~ 154 0
26 V* V733 Cep Or* 22 53 33.2582967602 +62 32 23.630788987     18.57   14.63 ~ 37 0
27 RNO 1D ISM ~ ~           ~ 6 0

    Equat.    Gal    SGal    Ecl

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2021.05.18-03:56:44

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