IK Tauri

"NML Tauri" redirects here. For the red hypergiant with a similar name, see NML Cygni.
IK Tauri

A visual band light curve for IK Tauri, plotted from ASAS-SN data.[1] The main plot shows the brightness as a function of time, and the inset shows the same data plotted as a function of pulsation phase.
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Taurus
Right ascension 03h 53m 28.87s[2]
Declination +11° 24′ 21.7″[2]
Apparent magnitude (V) 10.8 - 16.5[3]
Characteristics
Evolutionary stage Asymptotic giant branch
Spectral type M6e - M10e[3]
Apparent magnitude (K) −1.24[4]
U−B color index −0.04[4]
B−V color index +3.64[4]
Variable type Mira[3]
Astrometry
Radial velocity (Rv)~46[5] km/s
Proper motion (μ) RA: 32.806±0.799[6] mas/yr
Dec.: −22.820±0.663[6] mas/yr
Parallax (π)3.5114 ± 0.3496 mas[6]
Distance930 ± 90 ly
(280 ± 30 pc)
Details
Mass1 - 1.5[7] M☉
Radius608 ± 66[7] R☉
Luminosity8,724±1,921[7] L☉
Surface gravity (log g)–0.95[7] cgs
Temperature2,234±86[7] K
Other designations
IK Tau, NML Tauri, 2MASS J03532886+1124216, IRAS 03507+1115, AAVSO 0347+11
Database references
SIMBADdata

IK Tauri or NML Tauri is a Mira variable star located about 280 parsecs (910 ly) from the Sun in the zodiac constellation of Taurus.[7]

  1. ^ Cite error: The named reference ASAS-SN was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference 2mass was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference gcvs was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference ducati was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference feast was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference Gaia DR2 was invoked but never defined (see the help page).
  7. ^ a b c d e f Cite error: The named reference adam was invoked but never defined (see the help page).