2018A&A...612A..54L


C.D.S. - SIMBAD4 rel 1.7 - 2020.11.25CET10:21:25

2018A&A...612A..54L - Astronomy and Astrophysics, volume 612A, 54-54 (2018/4-1)

A 1.3 mm SMA survey of 29 variable young stellar objects.

LIU H.B., DUNHAM M.M., PASCUCCI I., BOURKE T.L., HIRANO N., LONGMORE S., ANDREWS S., CARRASCO-GONZALEZ C., FORBRICH J., GALVAN-MADRID R., GIRART J.M., GREEN J.D., JUAREZ C., KOSPAL A., MANARA C.F., PALAU A., TAKAMI M., TESTI L. and VOROBYOV E.I.

Abstract (from CDS):


Context. Young stellar objects (YSOs) may undergo periods of active accretion (outbursts), during which the protostellar accretion rate is temporarily enhanced by a few orders of magnitude. Whether or not these accretion outburst YSOs possess similar dust and gas reservoirs to each other, and whether or not their dust and gas reservoirs are similar as quiescent YSOs, are issues yet to be clarified.
Aims. The aim of this work is to characterize the millimeter thermal dust emission properties of a statistically significant sample of long and short duration accretion outburst YSOs (i.e., FUors and EXors) and the spectroscopically identified candidates of accretion outbursting YSOs (i.e., FUor-like objects).
Methods. We have carried out extensive Submillimeter Array (SMA) observations mostly at ∼225GHz (1.33mm) and ∼272GHz (1.10mm), from 2008 to 2017. We covered accretion outburst YSOs located at <1kpc distances from the solar system.
Results. We analyze all the existing SMA data of such objects, both published and unpublished, in a coherent way to present a millimeter interferometric database of 29 objects. We obtained 21 detections at >3σ significance. Detected sources except for the two cases of V883 Ori and NGC 2071 MM3 were observed with ∼1'' angular resolution. Overall our observed targets show a systematically higher millimeter luminosity distribution than those of the M*>0.3M Class II YSOs in the nearby (≤400pc) low-mass star-forming molecular clouds (e.g., Taurus, Lupus, Upp Scorpio, and Chameleon I). In addition, at 1mm our observed confirmed binaries or triple-system sources are systematically fainter than the rest of the sources even though their 1mm fluxes are broadly distributed. We may have detected ∼30-60% millimeter flux variability from V2494 Cyg and V2495 Cyg, from the observations separated by approximately one year.

Abstract Copyright: © ESO 2018

Journal keyword(s): stars: formation - radio continuum: ISM - submillimeter: ISM - stars: variables: T Tauri, Herbig Ae/Be

CDS comments: NGC 2071 MM3 is [MAW2001] LBS5-MM3 in SIMBAD.

Simbad objects: 44

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Number of rows : 44

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 V* V710 Cas Or* 00 36 45.9929553151 +63 28 52.968310752           ~ 84 0
2 V* V710 Cas B Y*O 00 36 46.6020931957 +63 28 57.617542780           ~ 50 0
3 JCMTSE J041041.1+380844 smm 04 10 41.31 +38 08 43.0           ~ 3 0
4 RAFGL 5123 Y*O 04 31 34.07736 +18 08 04.9020           K3V/M3III 816 0
5 V* HL Tau Or* 04 31 38.471952 +18 13 58.08504   15.89 14.49 14.39   K5 1226 0
6 V* XZ Tau Or* 04 31 40.0868968022 +18 13 56.642439056     10.40 13.12   M2e+M2e 410 1
7 V* UZ Tau B TT* 04 32 42.82968 +25 52 31.4148   14.07 12.72 13.35   M1/3Ve 138 0
8 V* VY Tau Or* 04 39 17.4208176970 +22 47 53.361809753     9.00     M0Ve 181 0
9 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 3572 0
10 QSO B0507+179 QSO 05 10 02.36912982 +18 00 41.5816534   20.0 19.0 19.09   ~ 325 1
11 QSO J0530+13 QSO 05 30 56.41672 +13 31 55.1495     20.0 19.35   ~ 884 1
12 V* VY Ori Or* 05 33 35.8807763471 -05 01 32.484070483   16.00 14.90   13.09 ~ 42 0
13 V* V1118 Ori Or* 05 34 44.9889538895 -05 33 41.344187987 15.053 15.378 14.430 15.22 12.701 M1e 122 0
14 V* NY Ori Or* 05 35 36.0089313187 -05 12 25.294778566 14.079 13.847 13.232   11.445 G6-K2e 60 0
15 [H53b] 5a RNe 05 37 -05.0           ~ 7 0
16 V* V1143 Ori Or* 05 38 03.8946081498 -04 16 42.858682360     17.0     ~ 56 0
17 V* V883 Ori Or* 05 38 18.0974260202 -07 02 25.963144400   14.80       F:I: 115 0
18 NAME sigma Orionis Cluster MGr 05 38 42 -02 36.0           ~ 492 0
19 2MASS J05424706-0817069 Y*O 05 42 47.067 -08 17 06.93           M5 48 0
20 V* V2775 Ori Or* 05 42 48.48792 -08 16 34.7448           ~ 47 0
21 V* FU Ori Or* 05 45 22.3650208559 +09 04 12.296285806   10.72 9.60     F0Iab 721 1
22 V* V1647 Ori Or* 05 46 13.1370923766 -00 06 04.876812846     18.1     ~ 237 1
23 NGC 2071 RNe 05 47 10 +00 18.0           ~ 611 1
24 JCMTSF J054737.0+002002 smm 05 47 36.9 +00 20 07           ~ 6 0
25 NAME ORI MOL CLOUD MoC 05 56 -01.8           ~ 868 1
26 QSO B0605-0834 BLL 06 07 59.69923743 -08 34 49.9781718     18.5 17.70   ~ 399 1
27 QSO B0607-157 QSO 06 09 40.9477650070 -15 42 40.649794982   18.47 18.0 19.90   ~ 291 1
28 V* V912 Mon Or* 06 40 59.3031035066 +09 35 52.395907208         16.50 GIII 24 0
29 V* Z CMa Ae* 07 03 43.1588002461 -11 33 06.230351311 10.51 9.99 8.80     B5/8eq+F5/7 534 3
30 NAME Cha I MoC 11 06 48 -77 18.0           ~ 990 1
31 V* FU Dra EB* 15 34 45.2141461351 +62 16 44.330023737       10.1   G0: 120 1
32 NAME Lup Cloud SFR 16 03 -38.1           ~ 535 0
33 HD 325367 Or* 16 03 05.4914377137 -40 18 25.426543472   11.40 8.50     M0 285 0
34 NAME Upper Sco Association As* 16 12 -23.4           ~ 1064 1
35 Parsamian 21 Or* 19 29 00.849408 +09 38 43.39932   15.18 14.07 13.93   F5Iabe 81 0
36 V* V1515 Cyg Or* 20 23 48.0159810586 +42 12 25.780858811   15.26 13.39 12.03   G0/G2Ib 215 0
37 3C 418.0 QSO 20 38 37.0346600 +51 19 12.661988   21.30 20.00 18.9   ~ 275 0
38 V* V2493 Cyg Or* 20 58 17.0282353931 +43 53 43.339695195   19.678 18.023 17.67 15.233 K7/M0e 94 0
39 V* V2494 Cyg Or* 20 58 21.0940784636 +52 29 27.710539961           ~ 41 0
40 EM* LkHA 190 Or* 20 58 53.7336698326 +44 15 28.384667940   14.26 12.33 12.13   F7/G3I/IIe 479 0
41 IRAS 20588+5215 TT* 21 00 21.4184051866 +52 27 09.650282084           ~ 13 0
42 V* V2495 Cyg Or* 21 00 25.24416 +52 30 16.9452           ~ 16 0
43 V* V1735 Cyg Or* 21 47 20.6624829527 +47 32 03.856911703           ~ 153 0
44 V* V733 Cep Or* 22 53 33.2582967602 +62 32 23.630788987     18.57   14.63 ~ 36 0

    Equat.    Gal    SGal    Ecl

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2020.11.25-10:21:25

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