January 13, 2024
New objects added
January 17, 2023
Gaia DR3 candidates added
January 15, 2023
Utilities and search added
January 4, 2023
New version fully released
November 7, 2022
New version testing started
Jan 28, 2019
First public release
All symbiotics
Galactic symbiotics
Extragalactic symbiotics
Version from February 3, 2024
CONFIRMED
MILKY WAY
|
| Hen 2-173 | IRAS - | GSC2.4.2 S8V9000555 | AAVSO 000-BJT-828 |
| SIMBAD WRAY 15-1518 | Pan-STARRS - | SAO - | VSX 241029 |
| GAIA DR3 6017382944157509760 | SkyMapper 163624.63-395144.4 | WRAY 15-1518 | GCVS - |
| 2MASS J16362464-3951444 | HIP - | Hen 2-173 | BD - |
| WISE J163624.64-395144.3 | TYC - | ESO 331-7 | HD - |
| Bidelman (1954) | - | Allen (1984) | He2-173 (Conf.) | Belzcyński et al. (2001) | Hen 2-173 (Conf.) |
| Gaposchkin (1957) | - | Kenyon (1986) | He2-173 (Conf.) | Akras et al. (2019) | Hen 2-173 (Conf.) |
| Boyarchuk (1969) | - | Vaidis (1988, 1991) | M-70 (Conf.) |
| Right ascension (°) | 249.1026Ref | Parallax (mas) | 0.196±0.034Ref | Reddening E(B-V) (mag) | 0.67±0.06Ref, Note |
| Declination (°) | -39.8624Ref | Distance (kpc) | 2.8Ref 4.98Ref, Note, 4.40Ref, Note |
||
| Galactic longitude (°) | 342.7701Ref | Proper motion in α (mas/yr) | -7.10±0.05Ref | ||
| Galactic latitude (°) | 5.0107Ref | Proper motion in δ (mas/yr) | -4.86±0.04Ref |
| X-Ray | NoRef | IR type | SRef | Radio | YesRef |
| X-Ray type | - | J (mag) | 8.16Ref | Flickering | - |
| GALEX FUV (mag) | - | H (mag) | 7.03Ref | Outbursts | - |
| GALEX NUV (mag) | - | K (mag) | 6.53Ref | Outburst type | - |
| IUE | NoRef | WISE W1 (mag) | 6.46Ref | Jets | - |
| FUSE | NoRef | WISE W2 (mag) | 6.25Ref | Resolved nebula | - |
| U (mag) | - | WISE W3 (mag) | 6.23Ref | IPmax (eV) | 54.4Ref |
| B (mag) | 13.30Ref | WISE W4 (mag) | 5.85Ref | [O III] lines | YesRef |
| V (mag) | 13.83Ref | IRAS 12μm (Jy) | - | He II lines | YesRef |
| R (mag) | - | IRAS 25μm (Jy) | - | [Fe VII] lines | NoRef |
| I (mag) | 10.97Ref | IRAS 60μm (Jy) | - | O VI lines | NoRef |
| BP (mag) | 13.92Ref | IRAS 100μm (Jy) | - | ||
| G (mag) | 12.22Ref | AKARI S09 (Jy) | 0.24Ref | ||
| RP (mag) | 10.90Ref | AKARI S18 (Jy) | - |
| Orbital period (days) | 910.6±10.6Ref | γ velocity (km/h) | -54.29±0.30Ref | Size of giant’s orbit (AU) | - |
| Eccentricity | 0.21±0.051Ref | RV of giant (km/h) | 8.36±0.45Ref | Separation (AU) | - |
| Inclination (°) | - | Inferior conj. of giant (JD) | 2452662.5 | Mass function | 0.0517Ref |
| Eclipses | Yes?Ref | Mass ratio | - | ||
| Orbital ephemeris | Min (-) = 2452625±36 + 910.6±10.6 x ERef |
| Spectral type | M6 IIIRef, M3 IIIRef, M4.5 IIIRef |
Mass (M⊙) | 1.5Ref | Pulsation | - |
| Eff. temperature (K) | 3073Ref, 3400Ref | Radius (R⊙) | 100-149Ref | Type | - |
| IR type | SRef | Luminosity (L⊙) | 9298Ref | Pulsation period (days) | - |
| Metallicity [Fe/H] | -0.18±0.08Ref | Pulsation ephemeris | - |
| Type/Spectral type | WDRef | Mass (M⊙) | - | Spin period (min) | - |
| Shell-burning/Accreting-only | shell-burningRef | Radius (R⊙) | - | Accretion disk | - |
| Eff. temperature (K) | - | Luminosity (L⊙) | 700Ref | ||
| Lower limit (K) | 54000Ref | ||||
| Upper limit (K) | 100000Ref |
Classified as a stellar source in Sanduleak & Stephenson (1973).