AR Pav

Constellation
Pavo

Equatorial coordinates
α = 18 20 27.882
δ = -66 04 43.030

Galactic coordinates
l = 328.5356°
b = -21.6043°

Suspected	1949^Ref
Confirmed	1949^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	Yes^Ref - Z And^Ref

Identifiers

AR Pav	IRAS 18157-6609	GSC2.4.2 SAQ6000436	AAVSO 000-BCW-660
SIMBAD V* AR Pav	Pan-STARRS -	SAO -	VSX 24791
GAIA DR3 6437030012377624192	SkyMapper 182027.87-660442.8	WRAY -	GCVS AR Pav
2MASS J18202786-6604428	HIP 89886	Hen 3-1649	BD -
WISE J182027.87-660442.9	TYC 9080-788-1	ESO -	HD -

Symbiotic Catalogs

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

Position

Right ascension (°)	275.1162^Ref	Parallax (mas)	0.170±0.019^Ref	Reddening E(B-V) (mag)	0.08±0.0^Ref ^{, Note}
Declination (°)	-66.0786^Ref	Distance (kpc)	10^Ref, 5.8±1.5^Ref, 4.9±1.2^Ref, 4.8±1.0^Ref 5.27^Ref ^{, Note}, 5.00^Ref ^{, Note}
Galactic longitude (°)	328.5356^Ref	Proper motion in α (mas/yr)	0.08±0.01^Ref
Galactic latitude (°)	-21.6043^Ref	Proper motion in δ (mas/yr)	-6.29±0.02^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	8.15^Ref	Flickering	No^Ref, Yes?^Ref
GALEX FUV (mag)	13.94^Ref	H (mag)	7.37^Ref	Outbursts	Yes^Ref
GALEX NUV (mag)	13.95^Ref	K (mag)	7.01^Ref	Outburst type	Z And^Ref
IUE	Yes^Ref	WISE W1 (mag)	6.86^Ref	Jets	-
FUSE	Yes^Ref	WISE W2 (mag)	6.86^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	6.32^Ref	IPmax (eV)	97.1 (UV)^Ref, 54.4^Ref
B (mag)	12.31^Ref	WISE W4 (mag)	5.66^Ref	[O III] lines	Yes^Ref
V (mag)	11.55^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	No^Ref
BP (mag)	11.35^Ref	IRAS 100μm (Jy)	-
G (mag)	10.63^Ref	AKARI S09 (Jy)	0.16^Ref
RP (mag)	9.70^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	604.5^Ref, 604.46±0.02^Ref, 603.93±0.63^Ref	γ velocity (km/h)	-68.4±0.3^Ref, -68.4±0.3^Ref, -66.84±0.17^Ref	Size of giant’s orbit (AU)	0.6^Ref, 0.573^Ref
Eccentricity	0±-^Ref	RV of giant (km/h)	9.6±0.4^Ref, 10.8±0.5^Ref, 10.33±0.27^Ref	Separation (AU)	2.13±0.16^Ref
Inclination (°)	87.4±0.2^Ref	Inferior conj. of giant (JD)	2448139	Mass function	0.055^Ref, 0.079^Ref, 0.0691^Ref
Eclipses	Yes^Ref			Mass ratio	2.7^Ref, 2.5^Ref
Orbital ephemeris	Min (V) = 2420331.3 + 604.5 x E^Ref, Min (V) = 2411265.9 + 604.46±0.02 x E^Ref

Cool component

Spectral type	M6 III^Ref, M5 III^Ref	Mass (M_⊙)	1.8^Ref, 2.0±0.5^Ref, 2.5±0.3^Ref	Pulsation	Yes?^Ref
Eff. temperature (K)	3500±150^Ref, 3240^Ref, 3400^Ref	Radius (R_⊙)	45-75^Ref, 167±15^Ref, 130±25^Ref, 137±20^Ref, 139±10^Ref	Type	-
IR type	S^Ref	Luminosity (L_⊙)	2200±1100^Ref, 1800-4700^Ref, 2300±400^Ref, 2023±793^Ref	Pulsation period (days)	106.4^Ref
Metallicity [Fe/H]	-0.26±0.08^Ref			Pulsation ephemeris	-

Hot component

Type/Spectral type	-	Mass (M_⊙)	0.75±0.15^Ref, 1±0.2^Ref, 0.72^Ref	Spin period (min)	-
Shell-burning/Accreting-only	shell-burning^Ref	Radius (R_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	800^Ref
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal ARAS Database

Notes

References

Andrews, P. J., 1974, MNRAS, 167, 635, 1974MNRAS.167..635A
Bruch, A., Niehues, M., Jones, A. F., 1994, A&A, 287, 829, 1994A&A...287..829B
Gałan, C., Mikołajewska, J., Hinkle, K. H. et al., 2017, MNRAS, 466, 2, 2194, 2017MNRAS.466.2194G
Hutchings, J. B., Cowley, A. P., Ake, T. B. et al., 1983, ApJ, 275, 271, 1983ApJ...275..271H
Hutchings, J. B., Cowley, A. P., 1982, PASP, 94, 107, 1982PASP...94..107H
Luna, G. J. M., Sokoloski, J. L., Mukai, K. et al., 2013, A&A, 559, A6, 2013A&A...559A...6L
Mayall, M. W., Shapley, H., 1937, AnHar, 105, 25, 491, 1937AnHar.105..491M
Menzies, J. W., Coulson, I. M., Caldwell, J. A. R. et al., 1982, MNRAS, 200, 463, 1982MNRAS.200..463M
Merc, J., Beck, P. G., Mathur, S. et al., 2023, arXiv, arXiv:2312.16126, 2023arXiv231216126M
Merc, J., Gális, R., Garde, O. et al., 2021, ATel, 14837, 1, 2021ATel14837....1M
Mürset, U., Schmid, H. M., 1999, A&AS, 137, 473, 1999A&AS..137..473M
Quiroga, C., Mikołajewska, J., Brandi, E. et al., 2002, A&A, 387, 139, 2002A&A...387..139Q
Sahade, J., 1949, ApJ, 109, 541, 1949ApJ...109..541S
Schild, H., Dumm, T., Mürset, U. et al., 2001, A&A, 366, 972, 2001A&A...366..972S
Skopal, A., Djurašević, G., Jones, A. et al., 2000, MNRAS, 311, 2, 225, 2000MNRAS.311..225S
Skopal, A., Kohoutek, L., Jones, A. et al., 2001, IBVS, 5195, 1, 2001IBVS.5195....1S
Skopal, A., 2005, A&A, 440, 3, 995, 2005A&A...440..995S
Thackeray, A. D., Hutchings, J. B., 1974, MNRAS, 167, 319, 1974MNRAS.167..319T
Thackeray, A. D., 1959, MNRAS, 119, 629, 1959MNRAS.119..629T

AR Pav

Identifiers

Symbiotic Catalogs

Position

Observations

Orbit

Cool component

Hot component

Links

Notes

References

Last updated: January 12, 2024