PM 1-253
SUSPECTED
MILKY WAY
Constellation
Serpens |
Equatorial coordinates
α = 18 43 36.601
δ = +03 46 40.194 |
Galactic coordinates
l = 35.4068°
b = 3.4610° |
Suspected |
2016Ref |
Confirmed |
- |
Symbiotic IR type |
D?Ref |
Hot component type |
shell-burning?Ref |
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 (°) |
280.9025Ref |
Parallax (mas) |
-0.511±0.751Ref |
Reddening E(B-V) (mag) |
1.13±0.05Ref, Note |
Declination (°) |
3.7778Ref |
Distance (kpc) |
6.21Ref, Note, 4.77Ref, Note |
|
|
Galactic longitude (°) |
35.4068Ref |
Proper motion in α (mas/yr) |
-1.71±0.77Ref |
|
|
Galactic latitude (°) |
3.4610Ref |
Proper motion in δ (mas/yr) |
-2.88±0.76Ref |
|
|
Observations
X-Ray |
NoRef |
IR type |
D?Ref |
Radio |
YesRef |
X-Ray type |
- |
J (mag) |
15.21Ref |
Flickering |
- |
GALEX FUV (mag) |
- |
H (mag) |
14.26Ref |
Outbursts |
- |
GALEX NUV (mag) |
- |
K (mag) |
12.45Ref |
Outburst type |
- |
IUE |
NoRef |
WISE W1 (mag) |
9.71Ref |
Jets |
- |
FUSE |
NoRef |
WISE W2 (mag) |
7.88Ref |
Resolved nebula |
YesRef |
U (mag) |
- |
WISE W3 (mag) |
3.61Ref |
IPmax (eV) |
- |
B (mag) |
- |
WISE W4 (mag) |
0.82Ref |
[O III] lines |
- |
V (mag) |
- |
IRAS 12μm (Jy) |
1.19Ref |
He II lines |
- |
R (mag) |
- |
IRAS 25μm (Jy) |
4.18Ref |
[Fe VII] lines |
- |
I (mag) |
- |
IRAS 60μm (Jy) |
6.83Ref |
O VI lines |
- |
BP (mag) |
18.57Ref |
IRAS 100μm (Jy) |
4.30Ref |
|
|
G (mag) |
19.48Ref |
AKARI S09 (Jy) |
- |
|
|
RP (mag) |
16.71Ref |
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) |
- |
Radius (R⊙) |
- |
Type |
- |
IR type |
D?Ref |
Luminosity (L⊙) |
- |
Pulsation period (days) |
- |
Metallicity [Fe/H] |
- |
|
|
Pulsation ephemeris |
- |
Hot component
Type/Spectral type |
- |
Mass (M⊙) |
- |
Spin period (min) |
- |
Shell-burning/Accreting-only |
shell-burning?Ref |
Radius (R⊙) |
- |
Accretion disk |
- |
Eff. temperature (K) |
- |
Luminosity (L⊙) |
- |
|
|
Lower limit (K) |
- |
|
|
|
|
Upper limit (K) |
- |
|
|
|
|
References
- Parker, Q. A., Bojičić, I. S., Frew, D. J., 2016, JPhCS, 728, 3, 032008, 2016JPhCS.728c2008P
- van de Steene, G. C., Jacoby, G. H., Pottasch, S. R., 1996, A&AS, 118, 243, 1996A&AS..118..243V
Last updated: December 1, 2021