MaC 1-9
CONFIRMED
MILKY WAY
Constellation
Serpens |
Equatorial coordinates
α = 17 55 52.681
δ = -14 06 49.214 |
Galactic coordinates
l = 13.9858°
b = 5.5094° |
| Suspected |
1990Ref |
| Confirmed |
1997Ref |
| Symbiotic IR type |
SRef |
| Hot component type |
shell-burningRef |
| Outbursts |
- |
|
|
Symbiotic Catalogs
| Bidelman (1954) |
- |
Allen (1984) |
- |
Belzcyński et al. (2001) |
MaC 1-9 (Conf.) |
| Gaposchkin (1957) |
- |
Kenyon (1986) |
- |
Akras et al. (2019) |
MaC 1-9 (Conf.) |
| Boyarchuk (1969) |
- |
Vaidis (1988, 1991) |
- |
Position
| Right ascension (°) |
268.9695Ref |
Parallax (mas) |
0.164±0.039Ref |
Reddening E(B-V) (mag) |
0.81±0.03Ref, Note |
| Declination (°) |
-14.1137Ref |
Distance (kpc) |
3Ref 4.64Ref, Note, 4.40Ref, Note |
|
|
| Galactic longitude (°) |
13.9858Ref |
Proper motion in α (mas/yr) |
-2.83±0.03Ref |
|
|
| Galactic latitude (°) |
5.5094Ref |
Proper motion in δ (mas/yr) |
-5.75±0.03Ref |
|
|
Observations
| X-Ray |
- |
IR type |
SRef |
Radio |
- |
| X-Ray type |
- |
J (mag) |
9.83Ref |
Flickering |
- |
| GALEX FUV (mag) |
- |
H (mag) |
8.68Ref |
Outbursts |
- |
| GALEX NUV (mag) |
- |
K (mag) |
8.21Ref |
Outburst type |
- |
| IUE |
NoRef |
WISE W1 (mag) |
7.90Ref |
Jets |
- |
| FUSE |
NoRef |
WISE W2 (mag) |
7.93Ref |
Resolved nebula |
- |
| U (mag) |
- |
WISE W3 (mag) |
7.43Ref |
IPmax (eV) |
54.4Ref |
| B (mag) |
17.55Ref |
WISE W4 (mag) |
6.78Ref |
[O III] lines |
- |
| V (mag) |
15.78Ref |
IRAS 12μm (Jy) |
- |
He II lines |
YesRef |
| R (mag) |
- |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
- |
| I (mag) |
- |
IRAS 60μm (Jy) |
- |
O VI lines |
NoRef |
| BP (mag) |
15.79Ref |
IRAS 100μm (Jy) |
- |
|
|
| G (mag) |
13.78Ref |
AKARI S09 (Jy) |
- |
|
|
| RP (mag) |
12.43Ref |
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 |
M2 IIIRef |
Mass (M⊙) |
- |
Pulsation |
- |
| Eff. temperature (K) |
- |
Radius (R⊙) |
- |
Type |
- |
| IR type |
SRef |
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-burningRef |
Radius (R⊙) |
- |
Accretion disk |
- |
| Eff. temperature (K) |
- |
Luminosity (L⊙) |
500Ref |
|
|
| Lower limit (K) |
54000Ref |
|
|
|
|
| Upper limit (K) |
75000Ref |
|
|
|
|
References
- Acker, A., Stenholm, B., 1990, A&AS, 86, 219, 1990A&AS...86..219A
- Mikołajewska, J., Acker, A., Stenholm, B., 1997, A&A, 327, 191, 1997A&A...327..191M
Last updated: November 5, 2019