03082+4057 LAB   2Aa,Ab

 
 
03H 08M 10.13S +40 57' 20.3" P.A. 304 SEP 0.1 MAG 2.12,4.60 SP B8V DIST. 27.57 PC (89.93 L.Y.)
 
 
Coord 2000
03082+4057
Discov num
LAB   2
Comp
Aa,Ab
Coord arcsec 2000
03 08 10.13 +40 57 20.3
Date first
1973
Date last
2010
Obs
119
Pa first
123
Pa last
304
P.A. Now (θ)
304°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
2.12
Mag sec
4.60
delta mag (ΔM)
2.48
Spectral class
B8V (blue-white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
03082+4057 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 38592 03082+4057 CSI 1 Aa1,2 2006 2010 65 43 0.0 2.12 Y
Show 38592 03082+4057 LAB 2 Aa,Ab 1973 2010 119 304 0.1 2.12 4.60 2.48 Y <===
Show Algol 38592 03082+4057 BU 526 AB 1878 2009 11 156 58.5 2.11 12.70 10.59
Show 38592 03082+4057 BU 526 AC 1878 2009 11 146 67.7 2.11 12.50 10.39
Show 38592 03082+4057 BU 526 AD 1878 2009 14 193 81.7 2.11 11.47 9.36
Show 38592 03082+4057 BU 526 AE 1899 2009 3 186 85.5 2.11 12.50 10.39
Show 38592 03082+4057 DAL 46 AF 2000 2009 3 111 93.2 2.11 13.70 11.59
Show 38592 03082+4057 JNN 3 AH 2008 2009 2 206 5.1 2.11 17.10 14.99
Show 03082+4057 BU 526 BC 1878 2015 11 103 13.7 12.70 12.50 0.20
Show 38592 03082+4057 BU 526 DE 1878 2015 9 120 11.0 10.50 12.50 2.00
Show 03082+4057 DAL 46 FG 2000 2015 3 284 6.2 13.70 14.70 1.00
Decuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
38592
HIP
14576
HD
19356
HR
936
GC
3733
ADS
2362
BD
BD+40 673
Bayer
Beta Persei
Bayer name
Bet Per
Flamsteed
26 Persei
Flamsteed name
26 Per
Distance
27.57
Distance ly
89.93
last precise pa
304.2
last precise sep
0.068
 
 
ORBITAL ELEMENTS
 
 
Period (P)680.168d± 0.046 Periastron (T)46927.22d (1987.358y)± 0.57 Semi-major axis (a)93.43m± 0.11
Eccentricity (e)0.227± 0.002 Inclination (i)83.66°± 0.03 Longitude of periastron (ω)310.02°± 0.26
Node (Ω)132.66°± 0.08 Note Grade1(1=Definitive, 9=Indet.)
Equinox Last observation2010
label rho theta
2000-01-01 0.083 316.0
2001-01-01 0.013 199.5
2002-01-01 0.046 322.3
2003-01-01 0.033 291.9
2004-01-01 0.010 73.1
2005-01-01 0.065 303.3
2006-01-01 0.052 126.6
2007-01-01 0.089 307.6
2008-01-01 0.077 132.4
2009-01-01 0.103 310.2
2010-01-01 0.073 136.6
2011-01-01 0.104 312.5
2012-01-01 0.050 143.3
2013-01-01 0.089 315.1
2014-01-01 0.018 170.9
2015-01-01 0.057 319.9
2016-01-01 0.025 284.2
2017-01-01 0.012 356.7
2018-01-01 0.057 301.6
2019-01-01 0.042 123.7
2020-01-01 0.084 306.7
2021-01-01 0.073 131.2
2022-01-01 0.101 309.6
2023-01-01 0.076 135.5
2024-01-01 0.105 311.9
2025-01-01 0.057 141.0
2026-01-01 0.095 314.3
2027-01-01 0.026 157.4
2028-01-01 0.067 318.2
2029-01-01 0.017 269.3
2030-01-01 0.024 333.4

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic