New Online Database of Symbiotic Variables: PPA J1809-2457

Constellation
Sagittarius

Equatorial coordinates
α = 18 09 13.692
δ = -24 57 47.383

Galactic coordinates
l = 6.0751°
b = -2.5608°

Suspected	2004^Ref
Confirmed	-
Symbiotic IR type	S?^Ref
Hot component type	shell-burning?^Ref
Outbursts	-

Identifiers

PPA J1809-2457	IRAS 18061-2459	GSC2.4.2 S9SF001550	AAVSO 000-BKM-972
SIMBAD MACHO 180.22767.504	Pan-STARRS 78042723070674524	SAO -	VSX 283106
GAIA DR3 4065777670607127808	SkyMapper 180913.64-245747.5	WRAY -	GCVS V6132 Sgr
2MASS J18091369-2457472	HIP -	Hen -	BD -
WISE J180913.69-245747.3	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 (°)	272.3070^Ref	Parallax (mas)	-0.024±0.081^Ref	Reddening E(B-V) (mag)	1.25±0.02^Ref ^{, Note}
Declination (°)	-24.9632^Ref	Distance (kpc)	7.90^Ref ^{, Note}, 5.39^Ref ^{, Note}
Galactic longitude (°)	6.0751^Ref	Proper motion in α (mas/yr)	-2.08±0.09^Ref
Galactic latitude (°)	-2.5608^Ref	Proper motion in δ (mas/yr)	-5.76±0.07^Ref

Observations

X-Ray	-	IR type	S?^Ref	Radio	-
X-Ray type	-	J (mag)	9.40^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	8.20^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.57^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	7.43^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.04^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	6.32^Ref	IPmax (eV)	13.6^Ref
B (mag)	-	WISE W4 (mag)	5.72^Ref	[O III] lines	No^Ref
V (mag)	-	IRAS 12μm (Jy)	1.57^Ref	He II lines	No^Ref
R (mag)	15.40^Ref	IRAS 25μm (Jy)	1.19^Ref	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	12.30^Ref	O VI lines	No^Ref
BP (mag)	18.33^Ref	IRAS 100μm (Jy)	213.00^Ref
G (mag)	14.69^Ref	AKARI S09 (Jy)	0.19^Ref
RP (mag)	13.02^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	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	Mira^Ref
IR type	S?^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	248^Ref
Metallicity [Fe/H]	-			Pulsation ephemeris	Max = 2451326 + 248 x E^Ref

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 probable symbiotic star in HASH Database of PNe (Parker et al., 2016), based on infrared colors and detected Balmer lines. The spectrum exhibits a red continuum. Additionally classified as a Mira variable (Huemmerich & Bernhard, 2012).

References

Huemmerich, S., Bernhard, K., 2012, OEJV, 149, 1, 2012OEJV..149....1H
Parker, Q. A., Bojičić, I. S., Frew, D. J., 2016, JPhCS, 728, 3, 032008, 2016JPhCS.728c2008P

PPA J1809-2457