2010AJ....139.1668R

Query : 2010AJ....139.1668R

2010AJ....139.1668R - Astron. J., 139, 1668-1680 (2010/April-0)

The multiple pre-main-sequence system HBC 515 in L1622.

REIPURTH B., HERBIG G. and ASPIN C.

Abstract (from CDS):

The bright pre-main-sequence star HBC 515 (HD 288313) located in the L1622 cometary cloud in Orion has been studied extensively with optical/infrared imaging and ultraviolet/optical/infrared spectroscopy. The spectra indicate that HBC 515 is a weakline T Tauri star (TTS) of spectral type K2V. Adaptive optics imaging in the K band reveals that HBC 515 is a binary with two equally bright components separated by 0".5. A very faint third component is found 5'' to the northwest. Spitzer IRAC and MIPS observations show that at mid-infrared wavelengths this third source dominates the system, suggesting that it is a protostar still embedded in the nascent cloud of HBC 515. The close association of a weakline TTS with a newborn protostar in a multiple system is noteworthy. Two nearby TTSs are likely associated with the HBC 515 multiple system, and the dynamical evolution of the complex that would lead to such a configuration is considered.

Abstract Copyright: ∼

Journal keyword(s): accretion, accretion disks - binaries: close - stars: formation - stars: individual: HBC 515 - stars: pre-main sequence

Nomenclature: [RHA2010] HBC 515A (Nos A-D), [RHA2010] HBC 515Aa (Nos Aa-Ab).

Simbad objects: 35

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Number of rows : 35
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 EM* LkHA 198 Ae* 00 11 25.8495450336 +58 49 28.713961920   14.65 13.79 14.03   B9e 226 0
2 V* DM Tau Or* 04 33 48.7336763736 +18 10 09.973460280 14.30 14.82 14.00     M2Ve 731 0
3 V* GM Aur Or* 04 55 10.9815576936 +30 21 59.373771876 14.59 13.351 12.242 11.798   K3Ve 797 0
4 V* RW Aur TT* 05 07 49.5662483 +30 24 05.177426   10.86 9.60 9.95   K1/5e+K5e 816 0
5 NAME Barnard's Loop HII 05 27.5 -03 58           ~ 131 1
6 V* V1118 Ori TT* 05 34 44.7401295035 -05 33 42.119715628 15.053 15.378 14.430 15.22 12.701 M1e 153 0
7 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2514 0
8 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
9 NAME Ori Region reg 05 35 17.30 -05 23 28.0           ~ 623 0
10 * sig Ori Y*O 05 38 44.7653828520 -02 36 00.283179888 2.54 3.58 3.79 3.87 4.11 O9.5V+B0.2V(n) 855 0
11 EM* LkHA 334 TT* 05 53 40.9122534576 +01 38 14.009455428   14.81 13.6     K3e 24 0
12 EM* LkHA 335 TT* 05 53 58.6963216608 +01 44 09.481896024   14.77 14.0     K5e 26 0
13 [OH83] L1622 6 Or* 05 54 01.8914549472 +01 40 27.244864488       15.76 12.67 ~ 12 0
14 [MGM2012] 3459 Or* 05 54 02.0126097504 +01 40 55.865149500         14.68 M 10 0
15 HD 288313A Or* 05 54 02.9845319872 +01 40 21.939047703   11.72 10.65     ~ 9 0
16 HD 288313 Or* 05 54 02.9907527336 +01 40 21.814523504   10.98 9.95 9.72 9.55 K2V 35 1
17 HD 288313B * 05 54 03.0286527850 +01 40 22.052013162   12.38 10.83     ~ 3 0
18 [MGM2012] 3457 Y*O 05 54 03.2732177568 +01 40 26.494497552           ~ 3 0
19 Parsamian 3 RNe 05 54 04 +01 40.4           ~ 10 0
20 2MASS J05540455+0142587 Y*O 05 54 04.55160 +01 42 58.7592           ~ 5 0
21 EM* LkHA 336 Or* 05 54 20.0901545976 +01 42 56.567432448   15.78 14.0     K5e 28 2
22 [OH83] L1622 10 Em* 05 54 26.9 +01 52 18           ~ 5 0
23 LDN 1622 DNe 05 54 28 +01 48.2           ~ 110 0
24 EM* LkHA 337 Or* 05 54 37.9436177616 +01 29 51.427532976   14 14.7     ~ 20 0
25 HH 122 HH 05 54 41.3 +01 43 56           ~ 7 0
26 HBC 645 Em* 16 32 27.22 -44 55 36.0           ~ 26 0
27 [SW2001] Reipurth 13 SM smm 16 32 27.79 -44 55 29.7           ~ 3 0
28 M 8 OpC 18 03 37 -24 23.2           ~ 644 1
29 * P Cyg s*b 20 17 47.2019733389 +38 01 58.549132671 4.66 5.24 4.82 4.28 4.02 B1-2Ia-0ep 1200 1
30 EM* LkHA 225 Ae* 20 20 30.5955531672 +41 21 26.370826704   18.2 19.17     A4:Ve 88 0
31 EM* LkHA 190 Or* 20 58 53.7335347296 +44 15 28.388727720   14.26 12.33 12.13   F7/G3I/IIe 530 0
32 EM* LkHA 234 Ae* 21 43 06.8218113480 +66 06 54.202272804 13.65 13.61 12.73 11.98 11.20 B5Ve 295 0
33 V* V1735 Cyg Or* 21 47 20.6628414360 +47 32 03.857457372           ~ 170 0
34 [HHJ2008] 34 Y*? 21 47 22.77 +47 32 14.9           ~ 11 0
35 HD 219134 PM* 23 13 16.9749603608 +57 10 06.083823619 7.460 6.560 5.570 4.76 4.23 K3V 677 1

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