V417 CMa

CONFIRMED MILKY WAY

Constellation
Canis Major

Equatorial coordinates
α = 07 01 09.154
δ = -29 06 24.983

Galactic coordinates
l = 240.1934°
b = -10.8862°

Suspected	2000^Ref
Confirmed	2002^Ref
Symbiotic IR type	S^Ref
Hot component type	accreting-only^Ref
Outbursts	-

Identifiers

V417 CMa	IRAS 06591-2902	GSC2.4.2 S3G0000673	AAVSO 000-BGH-634
SIMBAD CD-28 3719	Pan-STARRS 73071052881351922	SAO -	VSX 81842
GAIA DR3 5608089951177429120	SkyMapper 070109.15-290625.0	WRAY 18-5	GCVS V0417 CMa
2MASS J07010915-2906250	HIP -	Hen 4-18	BD -
WISE J070109.17-290625.1	TYC 6535-2424-1	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	CD-28 3719 (Susp.)
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	Hen 4-18 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	105.2881^Ref	Parallax (mas)	0.575±0.022^Ref	Reddening E(B-V) (mag)	0.11±0.0^Ref ^{, Note}
Declination (°)	-29.1069^Ref	Distance (kpc)	1.65^Ref ^{, Note}, 1.67^Ref ^{, Note}
Galactic longitude (°)	240.1934^Ref	Proper motion in α (mas/yr)	-1.22±0.02^Ref
Galactic latitude (°)	-10.8862^Ref	Proper motion in δ (mas/yr)	3.95±0.02^Ref

Observations

X-Ray	Yes^Ref	IR type	S^Ref	Radio	No^Ref
X-Ray type	δ^Ref	J (mag)	6.12^Ref	Flickering	Yes^Ref
GALEX FUV (mag)	-	H (mag)	5.27^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	4.92^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	4.91^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	4.85^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	4.81^Ref	IPmax (eV)	13.6^Ref
B (mag)	12.15^Ref	WISE W4 (mag)	4.64^Ref	[O III] lines	-
V (mag)	10.61^Ref	IRAS 12μm (Jy)	0.53^Ref	He II lines	-
R (mag)	-	IRAS 25μm (Jy)	0.25^Ref	[Fe VII] lines	-
I (mag)	-	IRAS 60μm (Jy)	0.40^Ref	O VI lines	-
BP (mag)	10.85^Ref	IRAS 100μm (Jy)	1.09^Ref
G (mag)	9.21^Ref	AKARI S09 (Jy)	0.67^Ref
RP (mag)	7.99^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	-	γ velocity (km/h)	67.43±1.61^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	S6.8^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	SR^Ref
IR type	S^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	198±3^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

S-type star (Stephenson, 1984). Initially classified as a possible symbiotic star by Belczyński et al. (2000), based on private communication with A. Jorissen. The system exhibits a broad Hα profile and blue colors (van Eck & Jorissen, 2002).

References

Belczyński, K., Mikołajewska, J., Munari, U. et al., 2000, A&AS, 146, 407, 2000A&AS..146..407B
Merc, J., Beck, P. G., Mathur, S. et al., 2023, arXiv, arXiv:2312.16126, 2023arXiv231216126M
Stephenson, C. B., 1984, PW&SO, 1, 1984PW&SO...3....1S
van Eck, S., Jorissen, A., 2002, A&A, 396, 599, 2002A&A...396..599V

Last updated: January 12, 2024