New Online Database of Symbiotic Variables: V627 Cas

Constellation
Cassiopeia

Equatorial coordinates
α = 22 57 40.963
δ = +58 49 12.499

Galactic coordinates
l = 108.6567°
b = -0.8625°

Suspected	1988^Ref
Confirmed	-
Symbiotic IR type	D?^Ref
Hot component type	accreting-only?^Ref
Outbursts	Yes?^Ref - SyN?^Ref

Identifiers

V627 Cas	IRAS 22556+5833	GSC2.4.2 N1DH000450	AAVSO 000-BCV-228
SIMBAD EM* AS 501	Pan-STARRS 178583444207224965	SAO -	VSX 6958
GAIA DR3 2013433148849034368	SkyMapper -	WRAY -	GCVS V0627 Cas
2MASS J22574095+5849127	HIP 113373	Hen -	BD -
WISE J225740.97+584912.5	TYC 3997-1169-1	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	V627 Cas (Susp.)
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	V627 Cas (Susp.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	344.4207^Ref	Parallax (mas)	-0.013±0.103^Ref	Reddening E(B-V) (mag)	2.15±1.19^Ref ^{, Note}
Declination (°)	58.8201^Ref	Distance (kpc)	6.26^Ref ^{, Note}, 6.29^Ref ^{, Note}
Galactic longitude (°)	108.6567^Ref	Proper motion in α (mas/yr)	-4.25±0.11^Ref
Galactic latitude (°)	-0.8625^Ref	Proper motion in δ (mas/yr)	-1.90±0.11^Ref

Observations

X-Ray	No^Ref	IR type	D?^Ref	Radio	Yes^Ref
X-Ray type	-	J (mag)	5.46^Ref	Flickering	Yes^Ref, No^Ref
GALEX FUV (mag)	-	H (mag)	4.55^Ref	Outbursts	Yes?^Ref
GALEX NUV (mag)	-	K (mag)	3.71^Ref	Outburst type	SyN?^Ref
IUE	Yes^Ref	WISE W1 (mag)	0.16^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	-0.28^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	-1.39^Ref	IPmax (eV)	13.6^Ref
B (mag)	15.26^Ref	WISE W4 (mag)	-3.00^Ref	[O III] lines	No^Ref
V (mag)	12.52^Ref	IRAS 12μm (Jy)	189.00^Ref	He II lines	No^Ref
R (mag)	-	IRAS 25μm (Jy)	170.00^Ref	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	24.80^Ref	O VI lines	No^Ref
BP (mag)	12.50^Ref	IRAS 100μm (Jy)	30.30^Ref
G (mag)	9.84^Ref	AKARI S09 (Jy)	151.40^Ref
RP (mag)	8.45^Ref	AKARI S18 (Jy)	162.30^Ref

Orbit

Orbital period (days)	-	γ velocity (km/h)	-53.70±0.68^Ref	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	M2-4 II^Ref	Mass (M_⊙)	-	Pulsation	Yes?^Ref
Eff. temperature (K)	2650±50^Ref	Radius (R_⊙)	-	Type	Mira?^Ref
IR type	D?^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	466^Ref
Metallicity [Fe/H]	-			Pulsation ephemeris	-

Hot component

Type/Spectral type	-	Mass (M_⊙)	-	Spin period (min)	-
Shell-burning/Accreting-only	accreting-only?^Ref	Radius (R_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	-
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal ARAS Database

Notes

Suggested as a symbiotic nova by Goranskij & Kolotilov (1988), based on the long-term decrease in brightness. Additionally, Bergner et al. (1988) proposed that the object consists of a cool red giant and a hot dwarf.

References

Bergner, Y. K., Miroshnichenko, A. S., Yudin, R. V. et al., 1988, SvAL, 14, 262, 1988SvAL...14..262B
Goranskij, V. P., Kolotilov, E. A., 1988, PZ, 22, 667, 1988PZ.....22..667G
Gromadzki, M., Mikołajewski, M., Tomov, T. et al., 2006, AcA, 56, 97, 2006AcA....56...97G
Kolotilov, E. A., Miroshnichenko, A. S., Yudin, B. F., 1991, IBVS, 3576, 1, 1991IBVS.3576....1K
Kolotilov, E. A., Munari, U., Yudin, B. F. et al., 1996, ARep, 40, 6, 812, 1996ARep...40..812K
Kolotilov, E. A., Popova, A. A., Tatarnikov, A. M. et al., 1997, A&AT, 14, 3, 195, 1997A&AT...14..195K

V627 Cas