Comments from the Hipparcos Catalog:
Hipparcos #110773
RA (J2000.0): 22 26 32.19
declination +79 48 55.1
(Above is the computed position for J1991.25)
magnitude in Johnson V: 9.32
Magnitude derived from Hipparcos data
Trigonometric parallax 22.83 ± 0.81 milliarcseconds
Proper motion in RA: 42.06 ± 0.98 milliarcseconds/year
Proper motion in dec: -176.04 ± 0.84 milliarcseconds/year
Mean BT magnitude: 10.452 ± 0.033
Mean VT magnitude: 9.386 ± 0.022
Johnson B-V colour: 0.914 ± 0.031
Johnson B-V source is Tycho-based observations
Color index (V-I) in Cousins' system: 0.91 ± 0.02
Median magnitude in Hipparcos system (Hpmag): 9.4708 ± 0.0020
Scatter on Hpmag is 0.014 magnitudes
Hpmag is based on 111 observations
Hpmag at maximum (5th percentile): 9.44
Hpmag at minimum (95th percentile): 9.50
BD +79 738
Spectral type G5
Spectral type is from the SIMBAD data-base
Data inferred from the Hipparcos catalog:
Distance: 43.8 ± 1.6 parsecs (142.9 ± 5.1 light-years)
Luminosity: 0.299 ± 0.021 times that of the sun
Absolute magnitude: 6.113 ± 0.077
J2000 position at current date (proper motion included):
Right ascension: 22h26.542797
Declination: N79.8141542 deg
(Above is ±23.3 milliarcseconds in RA, ±20.0 milliarcseconds in dec)
J2000 position at current date (proper motion and parallax included):
Right ascension: 22h26.542685
Declination: N79.8141509 deg
Data from the Tycho catalog:
Johnson V magnitude: 9.28
Parallax 5 ± 11 milliarcseconds
Comments from the GSC:
GSC identifier 4608 1420
RA declination posn err magnitude type
Exposure start Exp. Length Obs. ID Filter
22h26.534320m N79.815920 deg 0.3" 8.89±0.40 star
06 SEP 83 05:20 UT 20 min ST 639 PAL-V1
22h26.534360m N79.815770 deg 0.3" 9.17±0.40 star
05 SEP 83 08:40 UT 20 min ST 630 PAL-V1
Comments from the PPM catalog:
PPM 11220
Magnitude: 10.3
J2000 RA: 22h 26m 32.309s
J2000 dec: +79 48' 54.02"
Proper motion in RA: 0.0150 RA seconds/year
Proper motion in dec: -0.172 arcseconds/year
J2000 position at epoch:
Right ascension: 22h26.542230m
Declination: N79.814289 deg
Mean position at current epoch:
Right ascension: 22h26.570935m
Declination: N79.890892 deg
Apparent position at current epoch:
Right ascension: 22h26.561389m
Declination: N79.897371 deg
(Above is ±437.5 milliarcseconds in RA, ±460.7 milliarcseconds in dec)
Spectral type G5
DM +79 738
AGK +79 0641
Comments from the SAO catalog:
SAO 10376
Magnitude: 9.40
Spectral type
DM +79 738
Right ascension: 22h26.547343m
Declination: N79.814540 deg
Proper motion in RA: +0.056 arcseconds/year
Proper motion in dec: -0.188 arcseconds/year
Proper motion total: 0.196 arcseconds/year
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