[SS2022] 52
SUSPECTED
SCULPTOR DWARF
Constellation
Sculptor |
Equatorial coordinates
α = 00 59 56.976
δ = -33 44 16.831 |
Galactic coordinates
l = 287.9483°
b = -83.1409° |
Suspected |
2022Ref |
Confirmed |
- |
Symbiotic IR type |
- |
Hot component type |
- |
Outbursts |
- |
|
|
Symbiotic Catalogs
Bidelman (1954) |
- |
Allen (1984) |
- |
Belzcyński et al. (2001) |
- |
Gaposchkin (1957) |
- |
Kenyon (1986) |
- |
Akras et al. (2019) |
- |
Boyarchuk (1969) |
- |
Vaidis (1988, 1991) |
- |
Position
Right ascension (°) |
14.9874Ref |
Parallax (mas) |
0.004±0.118Ref |
Reddening E(B-V) (mag) |
0.02±0.0Ref, Note |
Declination (°) |
-33.7380Ref |
Distance (kpc) |
5.27Ref, Note, 2.22Ref, Note |
|
|
Galactic longitude (°) |
287.9483Ref |
Proper motion in α (mas/yr) |
-0.07±0.09Ref |
|
|
Galactic latitude (°) |
-83.1409Ref |
Proper motion in δ (mas/yr) |
-0.11±0.07Ref |
|
|
Observations
X-Ray |
YesRef |
IR type |
- |
Radio |
- |
X-Ray type |
γ or δRef |
J (mag) |
16.12Ref |
Flickering |
- |
GALEX FUV (mag) |
- |
H (mag) |
15.48Ref |
Outbursts |
- |
GALEX NUV (mag) |
- |
K (mag) |
15.39Ref |
Outburst type |
- |
IUE |
NoRef |
WISE W1 (mag) |
15.10Ref |
Jets |
- |
FUSE |
NoRef |
WISE W2 (mag) |
15.11Ref |
Resolved nebula |
- |
U (mag) |
- |
WISE W3 (mag) |
12.64Ref |
IPmax (eV) |
- |
B (mag) |
19.54Ref |
WISE W4 (mag) |
8.99Ref |
[O III] lines |
- |
V (mag) |
18.27Ref |
IRAS 12μm (Jy) |
0.11Ref |
He II lines |
- |
R (mag) |
- |
IRAS 25μm (Jy) |
0.09Ref |
[Fe VII] lines |
- |
I (mag) |
17.05Ref |
IRAS 60μm (Jy) |
0.27Ref |
O VI lines |
- |
BP (mag) |
18.57Ref |
IRAS 100μm (Jy) |
0.87Ref |
|
|
G (mag) |
17.95Ref |
AKARI S09 (Jy) |
- |
|
|
RP (mag) |
17.20Ref |
AKARI S18 (Jy) |
- |
|
|
Orbit
Orbital period (days) |
- |
γ velocity (km/h) |
- |
Size of giant’s orbit (AU) |
- |
Eccentricity |
- |
RV of giant (km/h) |
- |
Separation (AU) |
- |
Inclination (°) |
- |
Inferior conj. of giant (JD) |
- |
Mass function |
- |
Eclipses |
- |
|
|
Mass ratio |
- |
Orbital ephemeris |
- |
|
|
|
|
Cool component
Spectral type |
- |
Mass (M⊙) |
- |
Pulsation |
- |
Eff. temperature (K) |
4424±26Ref |
Radius (R⊙) |
- |
Type |
- |
IR type |
- |
Luminosity (L⊙) |
- |
Pulsation period (days) |
- |
Metallicity [Fe/H] |
-1.27Ref |
|
|
Pulsation ephemeris |
- |
Hot component
Type/Spectral type |
- |
Mass (M⊙) |
- |
Spin period (min) |
- |
Shell-burning/Accreting-only |
- |
Radius (R⊙) |
- |
Accretion disk |
- |
Eff. temperature (K) |
- |
Luminosity (L⊙) |
- |
|
|
Lower limit (K) |
- |
|
|
|
|
Upper limit (K) |
- |
|
|
|
|
Notes
The star is suggested as a symbiotic candidate based on the detected X-ray emission and optical/IR counterpart, as reported in Saeedi & Sasaki (2022).
References
- Kirby, E. N., Cohen, J. G., Guhathakurta, P. et al., 2013, ApJ, 779, 2, 102, 2013ApJ...779..102K
- Saeedi, S., Sasaki, M., 2022, MNRAS, 512, 4, 5481, 2022MNRAS.512.5481S
- Skúladóttir, Á., Tolstoy, E., Salvadori, S. et al., 2017, A&A, 606, A71, 2017A&A...606A..71S
Last updated: April 9, 2022