01315+1521 BU 506 (Alpherg)

 
 
01h 31m 28.99s +15° 20' 45.0" P.A. 62.00 sep 0.6 mag 3.83,7.51 Sp G8III dist. 107.18 pc (349.62 l.y.)
 
 
Coord 2000 01315+1521 Discov num BU  506 Comp Coord arcsec 2000 01 31 28.99 +15 20 45.0
Date first 1878 Date last 2008 Obs 28
Pa first 13 Pa last 61.8 P.A. Now (θ) 61.8°
Sep first 1.0 Sep last 0.61 Sep. Now (ρ) 0.61"
Mag pri 3.83 Mag sec 7.51 delta mag (ΔM) 3.68 Spectral class G8III (yellow)
Pri motion ra +028 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Alpherg Var name NSV532 Psc Constellation Pisces SAO 92484
HIP 7097 Tycho2 1198-01597-1 Gaia DR2 2591891443195389696 HD 9270
HR 437 GC 1839 ADS 1199 BD BD+14 231
Bayer Eta Piscium Bayer name Eta Psc Flamsteed 99 Piscium Flamsteed name 99 Psc
FK5 50 Distance 107.18 Distance ly 349.62 Bayer greek η Psc
 
 
ORBITAL ELEMENTS
 
 
Period (P)850.5y± 66.5 Periastron (T)2040.3y± 66.9 Semi-major axis (a)1.228a± 0.144
Eccentricity (e)0.469± 0.053 Inclination (i)58.5°± 2.5 Longitude of periastron (ω)86.9°± 4
Node (Ω)32.8°± 2 Notesn ReferenceCve2010e
Equinox2000 Last observation2000 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 54.7 0.626
2001 55.5 0.618
2002 56.3 0.609
2003 57.1 0.600
2004 57.9 0.591
2005 58.8 0.582
2006 59.7 0.574
2007 60.6 0.565
2008 61.5 0.556
2009 62.5 0.547
2010 63.5 0.538
2011 64.5 0.529
2012 65.6 0.520
2013 66.7 0.512
2014 67.8 0.503
2015 69.0 0.494
2016 70.2 0.485
2017 71.5 0.477
2018 72.8 0.468
2019 74.2 0.460
2020 75.6 0.452
2021 77.1 0.443
2022 78.6 0.435
2023 80.2 0.428
2024 81.8 0.420
2025 83.5 0.413
2026 85.3 0.405
2027 87.1 0.399
2028 89.0 0.392
2029 91.0 0.386
2030 93.0 0.380


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



 
 


wds01315%2B1521b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 01315+1521 BU 506 (Alpherg) : NOTES
 
 
discov_num notes refcode
BU 506 eta Psc = 99 Psc. A is a Beta CMi-type variable. Baz1964
NPOI Limb-darkened diameter 2.64 +/- 0.11 mas, NOI1999
R = 26. +/- 2. \rsun.
 
 
REFERENCES
 
 
refcode metd author reference
Baz1964 Ma - Baize, P. 1964JO.....47....1B
Baz1964 +orb J. Obs. 47, 1-26, 1964
Cve2010e orb - Cvetkovic, Z. & Novakovic, B. 2010AN....331..304C
Cve2010e Astron. Nachr. 331, 304, 2010
NOI1999 not j Nordgren, T.E., Germain, M.E., Benson, J.A., Mozurkewich, D., Sudol, J.J., Elias, 1999AJ....118.3032N
NOI1999 II, N.M., Hajian, A.R., White, N.M., Hutter, D.J., Johnston, K.J., Gauss, F.S., .
NOI1999 Armstrong, J.T., Pauls, T.A. & Rickard, L.J. .
NOI1999 AJ 118, 3032, 1999 .
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01315+1521 BU 506 2000 26 54 0.6 3.83 7.51 G8III NOD 013128.99+152045.0
01315+1521 BU 506 2008 27 62 0.6 3.83 7.51 G8III NOD 013128.99+152045.0

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WDS 01315+1521 BU 506 (Alpherg) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01315+1521 BU 506 (Alpherg) : MEASURES
 
 
No records found.

 
 
WDS 01315+1521 (Alpherg) : VIRTUAL EYEPIECE
 
 

01315+1521 BU  506A mag 3.83 Sp G8III 01315+1521 BU  506B sep 0.6 P.A. 60.90 mag 7.51 virtual eyepiece
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Radius:
Components only
 
 
WDS 01315+1521 (Alpherg) : ALADIN DSS IMAGE @ 01h 31m 28.99s +15° 20' 45.0"
 
 
 
 
WDS 01315+1521 BU 506 (Alpherg) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


01315+1521  BU  506 (Alpherg) distance=0' 01317+1506  CHR 198 distance=16' 01297+1504  CVR1074 distance=31' 01321+1434  BPM  33 distance=48' 01343+1443  UC  585 distance=56' 01345+1448  LDS9119 distance=57' 01286+1440  ARN  88 distance=59' 01346+1442  SKF1032 distance=60' 01335+1425  SKF1664 distance=63' 01297+1423  HEI 206 distance=63' 01275+1546  BPM  31 distance=64' 01325+1417  LDS1102 distance=66' 01270+1500  GWP 190 distance=69' 01283+1429  AG   18 distance=70' 01363+1513  WIS  38 distance=70' 01299+1413  AG   19 distance=72' 01358+1440  OCC 803 distance=75' 01264+1451  HEI 205 distance=80' 01277+1620  BPM  32 distance=81' 01259+1505  GRV1167 distance=82' 01313+1400  CVR 389 distance=82' 01260+1450  BPM  30 distance=86' 01325+1645  BPMA  1 distance=86' 01333+1357  UC  581 distance=89' 01267+1420  GRV1168 distance=92' 01321+1657  STF 132DF distance=96' 01321+1657  STF 132AB distance=97' 01321+1657  STF 132AC distance=97' 01321+1657  STF 132AD distance=97' 01321+1657  STF 132AE distance=97' 01321+1657  GAA  19Aa,Ab distance=97' 01317+1343  LDS1101 distance=99' 01309+1700  UC  570 distance=100' 01242+1543  LDS3273 distance=107' 01312+1709  SKF1602 distance=109' 01250+1424  GWP 185 distance=111' 01284+1705  BDT   1 distance=114' 01392+1447  SLN  56 distance=117' 01262+1349  TOK 871 distance=120' 01399+1515  STF 142AB distance=123' 01399+1515  STF 142AC distance=123' 01228+1500  GRV1166 distance=128' 01405+1508  J   927 distance=132' 01226+1449  MRL   1 distance=132' 01406+1511  VAS   6 distance=133' 01243+1354  OCC 307 distance=136' 01393+1638  BU    5AB distance=136' 01393+1638  BU    5AB,C distance=136' 01334+1734  AHD  22AB distance=137' 01334+1734  AHD  22AC distance=137' 01283+1731  GWP 194 distance=139' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show Alpherg 01315+1521 BU 506 62 0.6
Show 01317+1506 CHR 198 359 0.4 16
Show 01297+1504 CVR1074 19 3.0 31
Show 01321+1434 BPM 33 90 56.3 48
Show 01343+1443 UC 585 128 46.5 56
Show 01345+1448 LDS9119 190 3.5 57
Show 01286+1440 ARN 88 253 23.6 59
Show 01346+1442 SKF1032 22 3.9 60
Show 01335+1425 SKF1664 124 1.6 63
Show 01297+1423 HEI 206 57 2.4 63
Show 01275+1546 BPM 31 316 14.4 64
Show 01325+1417 LDS1102 9.9 66
Show 01270+1500 GWP 190 261 125.0 69
Show 01283+1429 AG 18 41 73.0 70
Show 01363+1513 WIS 38 45 999.9 70
Show 01299+1413 AG 19 322 100.3 72
Show 01358+1440 OCC 803 -1 0.1 75
Show 01264+1451 HEI 205 66 0.8 80
Show 01277+1620 BPM 32 101 89.8 81
Show 01259+1505 GRV1167 232 15.9 82
Show 01313+1400 CVR 389 73 19.0 82
Show 01260+1450 BPM 30 336 118.4 86
Show 01325+1645 BPMA 1 79 247.8 86
Show 01333+1357 UC 581 355 70.0 89
Show 01267+1420 GRV1168 218 18.1 92
Show 01321+1657 STF 132 DF 289 5.2 96
Show 01321+1657 STF 132 AB 342 63.8 97
Show 01321+1657 STF 132 AC 249 67.7 97
Show 01321+1657 STF 132 AD 109 114.5 97
Show 01321+1657 STF 132 AE 307 11.0 97
Show 01321+1657 GAA 19 Aa,Ab 91 0.0 97
Show 01317+1343 LDS1101 181 3.3 99
Show 01309+1700 UC 570 47 31.9 100
Show 01242+1543 LDS3273 316 67.8 107
Show 01312+1709 SKF1602 184 178.9 109
Show 01250+1424 GWP 185 216 116.1 111
Show 01284+1705 BDT 1 269 0.4 114
Show 01392+1447 SLN 56 4 68.4 117
Show 01262+1349 TOK 871 22 0.8 120
Show 01399+1515 STF 142 AB 69 23.5 123
Show 01399+1515 STF 142 AC 182 101.0 123
Show 01228+1500 GRV1166 332 16.3 128
Show 01405+1508 J 927 246 4.2 132
Show 01226+1449 MRL 1 291 0.2 132
Show 01406+1511 VAS 6 124 12.9 133
Show 01243+1354 OCC 307 -1 0.0 136
Show 01393+1638 BU 5 AB 284 0.6 136
Show 01393+1638 BU 5 AB,C 186 90.6 136
Show 01334+1734 AHD 22 AB 154 22.8 137
Show 01334+1734 AHD 22 AC 273 9.2 137
Show 01283+1731 GWP 194 122 174.4 139

 
 
WDS 01315+1521 : COMPONENTS
 
 
  A
B pa=60.9°
sep=0.59"
 
 
01315+1521 A
 
 
Componente originario normalizzato AB Common name Alpherg Coord arcsec 2000 013128.99+152045.0 Mag 3.83
Spectral class G8III (yellow) PmRA 28.00 PmDE -6.0 SAO 92484
HIP 7097 Tycho2 1198-01597-1 HD 9270 HR 437
GC 1839 BD BD+14 231 Bayer Eta Piscium Bayer name Eta Psc
Flamsteed 99 Piscium Flamsteed name 99 Psc FK5 50
Tycho2
Tycho2 1198-01597-1 Pflag RAmdeg 22.87087592 DEmdeg 15.34582789
PmRA 25.5 PmDE -1.5 E RAmdeg 3 E DEmdeg 3
E pmRA 0.3 E pmDE 0.3 EpRAm 1990.27 EpDEm 1990.53
Num 27 Q RAmdeg 2.0 Q DEmdeg 1.7 Q pmRA 2.0
Q pmDE 1.7 BTmag 4.842 E BTmag 0.014 VTmag 3.712
E VTmag 0.009 Prox 999 TYC T HIP 7097
CCDM AB RAdeg 22.87081639 DEdeg 15.34583139 EpRA 1990 1.86
EpDE 1990 1.77 E RAdeg 3.2 E DEdeg 3.4 Posflg P
Corr -0.4
SAO
SAO 92484 DelFlag RA1950 PmRA1950 0.0019
DE1950 PmDE1950 -0.002 Vmag 3.7 SpType G5
Double code Source 74 CatNum 50 DM BD+14 231
DMcomp BDsup HD 9270 M HD 0
GC 1839 RA1950rad 0.3874774 DE1950rad 0.26334783 PmRA2000 0.002
PmDE2000 -0.006
Hipparcos
Catalog H HIP 7097 Proxy H RAhms 01 31 28.99
DEdms +15 20 45.0 Vmag 3.62 VarFlag R Vmag G
RAdeg 22.8708 DEdeg 15.3458 AstroRef A Plx 11.09
CCDM 01315+1521 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 47 Rho 0.644 HD 9270 BD BD+14 231
CD CP Dm number +14 231 VIred 0.94
SpType G8III R SpType Coord arcsec 2000 013128.99+152045.0
Hipparcos 2
HIP 7097 Sn 15 So 3 Nc 2
RArad 0.3991708965 DErad 0.2678352776 Plx 9.33 PmRA 27.14
PmDE -2.64 E RArad 0.63 E DErad 0.43 E Plx 0.72
E pmRA 0.74 E pmDE 0.47 Hpmag 3.7914 E Hpmag 0.0004
SHp 0.003 VA 0 BV 0.974 E BV 0.001
VI 0.94
CCDM
Ccdm 01315+1521 RComp Comp A Note1
Note2 Discov num DRAs -0.99 DDEs -15.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 3.7 Sp G5 PmNote *
PmRA 27 PmDE -2 Dm number +14 231 Cat1 BD
Name2 92484 Cat2 SAO HD 9270 M HD
ADS BDS A 1199 M ADS BDS N IDS IDS 01261N1450A
HIC 7097
 
 
01315+1521 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 013129.03+152045.3 Mag 7.51 Calc delta mag 3.68
Calc coord yes
CCDM
Ccdm 01315+1521 RComp Comp B Note1
Note2 Discov num BU 506 DRAs DDEs
R dRAs Year 1958 Theta 036 Rho 1.0
Obs 15 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 1199 M ADS BDS N IDS IDS 01261N1450B
HIC 7097