New Online Database of Symbiotic Variables: MaC 1-15

LIKELY MILKY WAY

Constellation
Scutum

Equatorial coordinates
α = 18 57 13.925
δ = -15 29 13.342

Galactic coordinates
l = 19.6994°
b = -8.2469°

Suspected	2020^Ref
Confirmed	-
Symbiotic IR type	D'?^Ref
Hot component type	shell-burning?^Ref
Outbursts	-

Identifiers

MaC 1-15	IRAS -	GSC2.4.2 SA85039301	AAVSO -
SIMBAD PN MaC 1-15	Pan-STARRS 89412843080125924	SAO -	VSX -
GAIA DR3 4100959156475624960	SkyMapper 185713.92-152913.2	WRAY -	GCVS -
2MASS J18571392-1529132	HIP -	Hen -	BD -
WISE J185713.92-152913.4	TYC -	ESO -	HD -

Symbiotic Catalogs

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

Position

Right ascension (°)	284.3080^Ref	Parallax (mas)	0.061±0.067^Ref	Reddening E(B-V) (mag)	0.27±0.01^Ref ^{, Note}
Declination (°)	-15.4870^Ref	Distance (kpc)	7.11^Ref ^{, Note}, 6.29^Ref ^{, Note}
Galactic longitude (°)	19.6994^Ref	Proper motion in α (mas/yr)	-1.70±0.07^Ref
Galactic latitude (°)	-8.2469^Ref	Proper motion in δ (mas/yr)	-4.76±0.06^Ref

Observations

X-Ray	-	IR type	D'?^Ref	Radio	-
X-Ray type	-	J (mag)	15.06^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	14.43^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	13.21^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	12.03^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	10.91^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.47^Ref	IPmax (eV)	54.4^Ref
B (mag)	16.23^Ref	WISE W4 (mag)	5.69^Ref	[O III] lines	Yes^Ref
V (mag)	15.41^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	16.44^Ref	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	16.11^Ref	IRAS 60μm (Jy)	-	O VI lines	No^Ref
BP (mag)	16.48^Ref	IRAS 100μm (Jy)	-
G (mag)	16.50^Ref	AKARI S09 (Jy)	-
RP (mag)	15.84^Ref	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	-	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	-
IR type	D'?^Ref	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-burning?^Ref	Radius (R_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	-
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

Classified as a confirmed symbiotic star in the HASH Database of PNe (Parker et al., 2016), the spectrum of this object reveals a faint red continuum along with the presence of Balmer lines, He I, [O III], and He II.

References

Parker, Q. A., Bojičić, I. S., Frew, D. J., 2016, JPhCS, 728, 3, 032008, 2016JPhCS.728c2008P

MaC 1-15