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Delta Pavonis information


Delta Pavonis
Location of δ Pavonis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Pavo
Right ascension 20h 08m 43.60887s[1]
Declination −66° 10′ 55.4428″[1]
Apparent magnitude (V) 3.56[2]
Characteristics
Spectral type G8 IV[3]
U−B color index 0.45[2]
B−V color index 0.76[2]
Variable type Suspected[4]
Astrometry
Radial velocity (Rv)−23.52±0.81[5] km/s
Proper motion (μ) RA: +1,211.761 mas/yr[1]
Dec.: –1,130.237 mas/yr[1]
Parallax (π)163.9544 ± 0.1222 mas[1]
Distance19.89 ± 0.01 ly
(6.099 ± 0.005 pc)
Absolute magnitude (MV)4.62[6]
Details[7]
Mass1.051±0.062[8] M
Radius1.197±0.016 R
Luminosity1.24±0.03 L
Surface gravity (log g)4.26±0.06 cgs
Temperature5,571±48 K
Metallicity [Fe/H]0.33±0.03 dex
Rotation21.4±9.3 d[9]
Rotational velocity (v sin i)0.32 km/s
Age6.6–6.9[10] Gyr
9.3[6] Gyr
Other designations
δ Pav, NSV 12790, CD−66 2367, GJ 780, HD 190248, HIP 99240, HR 7665, SAO 254733, LFT 1520, LHS 485, LTT 7946, 2MASS J20084376-6610563[11]
Database references
SIMBADdata

Delta Pavonis, Latinized from δ Pavonis, is a single[12] star in the southern constellation of Pavo. It has an apparent visual magnitude of 3.56,[11] making it a fourth-magnitude star that is visible to the naked eye from the southern hemisphere. Parallax measurements yield an estimated distance of 19.89 light-years (6.10 parsecs) from Earth.[1] This makes it one of the nearest bright stars to the Solar System. It is approaching the Sun with a radial velocity of −23.5 km/s, and is predicted to come as close as 17.8 light-years in around 49,200 years.[5]

  1. ^ a b c d e Cite error: The named reference GaiaDR3 was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference rob64 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference aj132_1_161 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Ruban2006 was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Bailer2018 was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference cgssn09 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Rains2020 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Pinheiro_et_al_2014 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Laliotis2023 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference apj687_2 was invoked but never defined (see the help page).
  11. ^ a b Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference Fuhrmann2017 was invoked but never defined (see the help page).

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38° 31′ 46″ M4.5 V 0.226 12.05 13.14 165.2147 ±0.0636 B M V 0.192 12.45 13.54 Delta Pavonis$ 19.893 ±0.015 Pav 20h 08m 43.6s −66° 10′ 55″ G8 IV 1.051 3.55# 4.62...

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