Coord 2000 | 01095+4715 |
Discov num | STT 515 |
Comp | AB |
Coord arcsec 2000 | 01 09 30.12 +47 14 30.6 |
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Date first | 1851 |
Date last | 2016 |
Obs | 231 |
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Pa first | 308 |
Pa last | 115 |
P.A. Now (θ) | 114° |
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Sep first | 0.4 |
Sep last | 0.6 |
Sep. Now (ρ) | 0.52" |
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Mag pri | 4.59 |
Mag sec | 5.61 |
delta mag (ΔM) | 1.02 |
Spectral class | B7Ve (blue-white) |
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Pri motion ra | +000 |
Sec motion ra | +000 |
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Pri motion dec | -011 |
Sec motion dec | -011 |
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Notes |
Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | Phi And | 36972 | 01095+4715 | STT 515 | AB | 1851 | 2016 | 231 | 114 | 0.5 | 4.59 | 5.61 | 1.02 | Y | <=== |
Show | 36972 | 01095+4715 | SBK 1 | AC | 1884 | 1998 | 2 | 186 | 14.7 | 4.59 | |||||
Show | 36972 | 01095+4715 | SBK 1 | AD | 1884 | 1884 | 1 | 64 | 27.7 | 4.59 |
Precise pa | 114.9 |
Precise sep | 0.58 |
Name | Phi And |
Constellation | Andromeda |
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SAO | 36972 |
HIP | 5434 |
Tycho2 | 3268-01358-1 |
Gaia DR2 | 5317862144 |
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HD | 6811 |
HR | 335 |
GC | 1394 |
ADS | 940 |
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BD | BD+46 275 |
Bayer | Phi Andromedae |
Bayer name | Phi And |
Flamsteed | 42 Andromedae |
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Flamsteed name | 42 And |
Distance | 219.78 |
Distance ly | 716.92 |
last precise pa | 114.9 |
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last precise sep | 0.58 |
Period (P) | 554y | ± 67 | Periastron (T) | 1907.45y | ± 5.03 | Semi-major axis (a) | 0.573a | ± 0.051 |
Eccentricity (e) | 0.385 | ± 0.043 | Inclination (i) | 142.2° | ± 2.8 | Longitude of periastron (ω) | 112.6° | ± 9.1 |
Node (Ω) | 337.2° | ± 3.2 | Note | Grade | 4 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation | 2008 |
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
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![]() Measures: green=micrometric, blue=interferometric, purple=photographic |
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coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
01095+4715 | STT 515 | AB | 2006 | 201 | 122 | 0.5 | 4.59 | 5.61 | B7Ve | NOD | 010930.12+471430.6 |
01095+4715 | STT 515 | AB | 2007 | 203 | 121 | 0.5 | 4.59 | 5.61 | B7Ve | NOD | 010930.12+471430.6 |
01095+4715 | STT 515 | AB | 2008 | 204 | 121 | 0.5 | 4.59 | 5.61 | B7Ve | NOD | 010930.12+471430.6 |
01095+4715 | STT 515 | AB | 2010 | 229 | 120 | 0.5 | 4.59 | 5.61 | B7Ve | NOD | 010930.12+471430.6 |
01095+4715 | STT 515 | AB | 2012 | 226 | 118 | 0.5 | 4.59 | 5.61 | B7Ve | NOD | 010930.12+471430.6 |
01095+4715 | STT 515 | AB | 2015 | 228 | 114 | 0.6 | 4.59 | 5.61 | B7Ve | NO | 010930.12+471430.6 |
01095+4715 | STT 515 | AB | 2016 | 229 | 115 | 0.6 | 4.59 | 5.61 | B7Ve | NO | 010930.12+471430.6 |