Theta Pavonis: Difference between revisions

θ Pavonis
	Location of θ Pavonis (circled)
Observation data; Epoch J2000 Equinox J2000
Constellation	Pavo
Right ascension	18h 48m 37.90542s
Declination	−65° 04′ 39.6449″
Apparent magnitude (V)	5.73
Characteristics
Spectral type	A8V C
U−B color index	+0.11
B−V color index	+0.24
Astrometry
Radial velocity (Rv)	0.7 ± 4.3 km/s
Proper motion (μ)	RA: -38.07 mas/yr ; Dec.: -78.20 mas/yr
Parallax (π)	14.77 ± 0.34 mas
Distance	221 ± 5 ly ; (68 ± 2 pc)
Absolute magnitude (MV)	1.58
Details
Mass	1.86 M☉
Radius	2.640 R☉
Luminosity	20.04 L☉
Surface gravity (log g)	4.01 cgs
Temperature	7886 K
Rotational velocity (v sin i)	245.0 km/s
Other designations
	Theta Pavonis, θ Pavonis, Theta Pav, θ Pav, GSC 09077-02488, 2MASS J18483791-6504397, TD1 23057, CPC 21 4384, HD 173168, N30 4164, TYC 9077-2488-1, CPD-65 3754, HIC 92294, PPM 363593, UBV 15922, GC 25706, HIP 92294, ROT 2646, UBV M 23175, GCRV 11216, HR 7036, SAO 254374, uvby98 100173168
Database references
SIMBAD	data

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Revision as of 14:11, 5 March 2015

Theta Pavonis (θ Pav) is a white main-sequence star in the constellation Pavo. At 221 light years away, it shines at an apparent visual magnitude of 5.73.

References

^ ^a ^b ^c "Theta Pavonis", SIMBAD, Centre de Données astronomiques de Strasbourg, retrieved 2015-02-25
^ "BSC5P - Bright Star Catalog".
^ JOHNSON, H.L.; IRIARTE, B.; MITCHELL, R.I.; WISNIEWSKI, W.Z. "UBVRIJKL photometry of the bright stars".
^ "Pulkovo radial velocities for 35493 HIP stars (Gontcharov, 2006)".
^ "HIPNEWCAT".
^ Van Leuuwen, F. (2007), Validation of the new Hipparcos reduction, Astronomy & Astrophysics, retrieved 2015-02-26
^ "Fundamental parameters of stars (Allende Prieto+, 1999)".
^ "Effective temperatures and radii of stars (Masana+, 2006)".
^ "Estimated astrophysical parameters from uvby (Philip+ 1980)".
^ "Teff and metallicities for Tycho-2 stars (Ammons+, 2006)".
^ "Catalog of Stellar Rotational Velocities (Glebocki+ 2005)".

[SIMBAD-1] "Theta Pavonis", SIMBAD, Centre de Données astronomiques de Strasbourg, retrieved 2015-02-25

[BSC5P-2] "BSC5P - Bright Star Catalog".

[1966CoLPL_4_99J-3] JOHNSON, H.L.; IRIARTE, B.; MITCHELL, R.I.; WISNIEWSKI, W.Z. "UBVRIJKL photometry of the bright stars".

[Gontcharov_2006-4] "Pulkovo radial velocities for 35493 HIP stars (Gontcharov, 2006)".

[HIP_NEW-5] "HIPNEWCAT".

[CDS_1-6] Van Leuuwen, F. (2007), Validation of the new Hipparcos reduction, Astronomy & Astrophysics, retrieved 2015-02-26

[Allende_Prieto_1999-7] "Fundamental parameters of stars (Allende Prieto+, 1999)".

[Masana_2006-8] "Effective temperatures and radii of stars (Masana+, 2006)".

[Philip_1980-9] "Estimated astrophysical parameters from uvby (Philip+ 1980)".

[Ammons_2006-10] "Teff and metallicities for Tycho-2 stars (Ammons+, 2006)".

[Glebocki_2005-11] "Catalog of Stellar Rotational Velocities (Glebocki+ 2005)".

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@@ Line 23: / Line 23: @@
 }}
 {{Starbox astrometry
-| radial_v = 0.7 <ref name=Evans_1967/>
+| radial_v = 0.7 ± 4.3<ref name=Gontcharov_2006/>
 | prop_mo_ra = -38.07
 | prop_mo_dec =	-78.20
@@ Line 62: / Line 62: @@
 <ref name=Allende_Prieto_1999>{{cite web|url=http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ54f71254bd43&-out.add=.&-source=J/A%2bA/352/555/table1&recno=13570|title=Fundamental parameters of stars (Allende Prieto+, 1999)}}</ref>
 <ref name=Masana_2006>{{cite web|url=http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ54f71254bd43&-out.add=.&-source=J/A%2bA/450/735/table2&recno=8704|title=Effective temperatures and radii of stars (Masana+, 2006)}}</ref>
-<ref name=Evans_1967>{{cite web|url=http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ54f85d88548c&-out.add=.&-source=III/47B/catalog&recno=7664|title=Stellar Radial Velocities 0-20 hrs (Evans 1967)}}</ref>
+<ref name=Gontcharov_2006>{{cite web|url=http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ54f85d88548c&-out.add=.&-source=III/252/table8&recno=27569|title=Pulkovo radial velocities for 35493 HIP stars (Gontcharov, 2006)}}</ref>
 }}

Observation data Epoch J2000 Equinox J2000
Location of θ Pavonis (circled)
Constellation	Pavo
Right ascension	18^h 48^m 37.90542^s ^[1]
Declination	−65° 04′ 39.6449″
Apparent magnitude (V)	5.73 ^[2]
Characteristics
Spectral type	A8V C ^[1]
U−B color index	+0.11
B−V color index	+0.24 ^[3]
Astrometry

Radial velocity (R_v)	0.7 ± 4.3^[4] km/s
Proper motion (μ)	RA: -38.07 mas/yr Dec.: -78.20 mas/yr
Parallax (π)	14.77 ± 0.34 mas^[5]^[6]
Distance	221 ± 5 ly (68 ± 2 pc)
Absolute magnitude (M_V)	1.58

Details

Mass	1.86 ^[7] `M`_☉
Radius	2.640 ^[8] `R`_☉
Luminosity	20.04 `L`_☉
Surface gravity (log g)	4.01 ^[9] cgs
Temperature	7886 ^[10] K
Rotational velocity (v sin i)	245.0 ^[11] km/s

Other designations
Theta Pavonis, θ Pavonis, Theta Pav, θ Pav, GSC 09077-02488, 2MASS J18483791-6504397, TD1 23057, CPC 21 4384, HD 173168, N30 4164, TYC 9077-2488-1, CPD-65 3754, HIC 92294, PPM 363593, UBV 15922, GC 25706, HIP 92294, ROT 2646, UBV M 23175, GCRV 11216, HR 7036, SAO 254374, uvby98 100173168^[1]
Database references
SIMBAD	data