New Online Database of Symbiotic Variables: BD Cam

Constellation
Camelopardalis

Equatorial coordinates
α = 03 42 09.283
δ = +63 13 00.789

Galactic coordinates
l = 140.8352°
b = 6.4442°

Suspected	1986^Ref
Confirmed	1988^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

BD Cam	IRAS 03377+6303	GSC2.4.2 NAVL000226	AAVSO 000-BBG-143
SIMBAD V* BD Cam	Pan-STARRS -	SAO 12874	VSX 4615
GAIA DR3 487305619316615680	SkyMapper -	WRAY -	GCVS BD Cam
2MASS J03420933+6313005	HIP 17296	Hen -	BD -
WISE J034209.28+631300.5	TYC 4066-1732-1	ESO -	HD 22649

Symbiotic Catalogs

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

Position

Right ascension (°)	55.5387^Ref	Parallax (mas)	4.267±0.258^Ref	Reddening E(B-V) (mag)	0.85±0.04^Ref ^{, Note}
Declination (°)	63.2169^Ref	Distance (kpc)	0.24^Ref ^{, Note}, 0.23^Ref ^{, Note}
Galactic longitude (°)	140.8352^Ref	Proper motion in α (mas/yr)	-17.88±0.23^Ref
Galactic latitude (°)	6.4442^Ref	Proper motion in δ (mas/yr)	20.05±0.30^Ref

Observations

X-Ray	Yes^Ref	IR type	S^Ref	Radio	Yes^Ref
X-Ray type	β/δ^Ref	J (mag)	1.40^Ref	Flickering	-
GALEX FUV (mag)	15.48^Ref	H (mag)	0.53^Ref	Outbursts	-
GALEX NUV (mag)	14.46^Ref	K (mag)	0.27^Ref	Outburst type	-
IUE	Yes^Ref	WISE W1 (mag)	-2.18^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	-1.92^Ref	Resolved nebula	-
U (mag)	8.56^Ref	WISE W3 (mag)	0.04^Ref	IPmax (eV)	77.5 (UV)^Ref
B (mag)	6.74^Ref	WISE W4 (mag)	-0.08^Ref	[O III] lines	No^Ref
V (mag)	5.11^Ref	IRAS 12μm (Jy)	41.00^Ref	He II lines	No^Ref
R (mag)	3.49^Ref	IRAS 25μm (Jy)	10.80^Ref	[Fe VII] lines	No^Ref
I (mag)	2.11^Ref	IRAS 60μm (Jy)	1.59^Ref	O VI lines	No^Ref
BP (mag)	5.39^Ref	IRAS 100μm (Jy)	2.03^Ref
G (mag)	3.96^Ref	AKARI S09 (Jy)	58.28^Ref
RP (mag)	2.87^Ref	AKARI S18 (Jy)	13.18^Ref

Orbit

Orbital period (days)	596.21±0.19^Ref	γ velocity (km/h)	-22.28±0.14^Ref	Size of giant’s orbit (AU)	0.462256^Ref
Eccentricity	0.088±0.023^Ref	RV of giant (km/h)	8.47±0.2^Ref	Separation (AU)	-
Inclination (°)	-	Inferior conj. of giant (JD)	2442794	Mass function	0.037^Ref
Eclipses	-			Mass ratio	-
Orbital ephemeris	-

Cool component

Spectral type	S5.3^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	-
IR type	S^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	24.76^Ref
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)	-

Links

SIMBAD CDS Portal ARAS Database

Notes

Its symbiotic nature was confirmed by observations in the UV, which revealed emission lines with a high ionization potential (up to 77.5 eV; Ake et al., 1988). The cool component is identified as an S5.3 star (Keenan, 1954).

References

Adelman, S. J., 1998, A&A, 333, 952, 1998A&A...333..952A
Ake, T. B., Johnson, H. R., Perry, B. F., 1988, ESA Special Publication, 1, 245, 1988ESASP.281a.245A
Keenan, P. C., 1954, ApJ, 120, 484, 1954ApJ...120..484K

BD Cam