V2523 Oph
CONFIRMED
MILKY WAY
Constellation
Ophiucus |
Equatorial coordinates
α = 17 08 36.569
δ = -17 26 30.500 |
Galactic coordinates
l = 5.0148°
b = 13.3928° |
Suspected |
1973Ref |
Confirmed |
1978Ref |
Symbiotic IR type |
SRef |
Hot component type |
shell-burningRef |
Outbursts |
YesRef - Z AndRef |
|
|
Symbiotic Catalogs
Bidelman (1954) |
- |
Allen (1984) |
Hen 1341 (Conf.) |
Belzcyński et al. (2001) |
Hen 3-1341 (Conf.) |
Gaposchkin (1957) |
- |
Kenyon (1986) |
Hen 1341 (Conf.) |
Akras et al. (2019) |
Hen 3-1341 (Conf.) |
Boyarchuk (1969) |
- |
Vaidis (1988, 1991) |
NSV 8226 (Conf.) |
Position
Right ascension (°) |
257.1524Ref |
Parallax (mas) |
0.079±0.028Ref |
Reddening E(B-V) (mag) |
0.31±0.01Ref, Note |
Declination (°) |
-17.4418Ref |
Distance (kpc) |
3.08Ref 8.59Ref, Note, 8.71Ref, Note |
|
|
Galactic longitude (°) |
5.0148Ref |
Proper motion in α (mas/yr) |
-1.58±0.03Ref |
|
|
Galactic latitude (°) |
13.3928Ref |
Proper motion in δ (mas/yr) |
-5.76±0.03Ref |
|
|
Observations
X-Ray |
YesRef |
IR type |
SRef |
Radio |
YesRef |
X-Ray type |
βRef |
J (mag) |
8.76Ref |
Flickering |
NoRef |
GALEX FUV (mag) |
- |
H (mag) |
7.89Ref |
Outbursts |
YesRef |
GALEX NUV (mag) |
- |
K (mag) |
7.48Ref |
Outburst type |
Z AndRef |
IUE |
YesRef |
WISE W1 (mag) |
7.41Ref |
Jets |
YesRef |
FUSE |
YesRef |
WISE W2 (mag) |
7.36Ref |
Resolved nebula |
NoRef |
U (mag) |
- |
WISE W3 (mag) |
6.45Ref |
IPmax (eV) |
114Ref |
B (mag) |
12.76Ref |
WISE W4 (mag) |
5.21Ref |
[O III] lines |
YesRef |
V (mag) |
12.15Ref |
IRAS 12μm (Jy) |
- |
He II lines |
YesRef |
R (mag) |
- |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
YesRef |
I (mag) |
- |
IRAS 60μm (Jy) |
- |
O VI lines |
YesRef |
BP (mag) |
11.79Ref |
IRAS 100μm (Jy) |
- |
|
|
G (mag) |
11.19Ref |
AKARI S09 (Jy) |
0.14Ref |
|
|
RP (mag) |
10.34Ref |
AKARI S18 (Jy) |
- |
|
|
Orbit
Orbital period (days) |
626±26Ref |
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 |
Min (V) = 2451970 + 626±26 x ERef |
|
|
|
|
Cool component
Spectral type |
M1.7 IIIRef, M4 IIIRef, M2 IIIRef |
Mass (M⊙) |
- |
Pulsation |
YesRef |
Eff. temperature (K) |
3500Ref |
Radius (R⊙) |
57.8Ref |
Type |
SRRef |
IR type |
SRef |
Luminosity (L⊙) |
- |
Pulsation period (days) |
105±2Ref |
Metallicity [Fe/H] |
-0.54±0.06Ref |
|
|
Pulsation ephemeris |
- |
Hot component
Type/Spectral type |
WDRef |
Mass (M⊙) |
0.4Ref |
Spin period (min) |
- |
Shell-burning/Accreting-only |
shell-burningRef |
Radius (R⊙) |
0.14Ref |
Accretion disk |
- |
Eff. temperature (K) |
144000-154000Ref |
Luminosity (L⊙) |
1290-3020Ref |
|
|
Lower limit (K) |
- |
|
|
|
|
Upper limit (K) |
- |
|
|
|
|
References
- Allen, D. A., 1978, MNRAS, 184, 601, 1978MNRAS.184..601A
- Gałan, C., Mikołajewska, J., Hinkle, K. H. et al., 2017, MNRAS, 466, 2, 2194, 2017MNRAS.466.2194G
- Gromadzki, M., Mikołajewska, J., Soszyński, I., 2013, AcA, 63, 4, 405, 2013AcA....63..405G
- Gutiérrez-Moreno, A., Moreno, H., Costa, E. et al., 1997, ApJ, 485, 1, 359, 1997ApJ...485..359G
- Munari, U., Milani, A., Siviero, A. et al., 2012, ATel, 3946, 1, 2012ATel.3946....1M
- Munari, U., Siviero, A., Henden, A., 2005, MNRAS, 360, 4, 1257, 2005MNRAS.360.1257M
- Munari, U., Valisa, P., Dallaporta, S. et al., 2012, ATel, 3952, 1, 2012ATel.3952....1M
- Mürset, U., Schmid, H. M., 1999, A&AS, 137, 473, 1999A&AS..137..473M
- Sanduleak, N., Stephenson, C. B., 1973, ApJ, 185, 899, 1973ApJ...185..899S
- Stute, M., Luna, G. J. M., Pillitteri, I. F. et al., 2013, A&A, 554, A56, 2013A&A...554A..56S
- Tomov, N. A., Tomova, M., 2013, IBVS, 6055, 1, 2013IBVS.6055....1T
- Tomov, T., Munari, U., Marrese, P. M., 2000, A&A, 354, L25, 2000A&A...354L..25T
- Zamanov, R. K., Bode, M. F., Melo, C. H. F. et al., 2007, MNRAS, 380, 3, 1053, 2007MNRAS.380.1053Z
Last updated: April 17, 2022