09123+1500 FIN 347 Aa,Ab

 
 
09h 12m 17.55s +14° 59' 45.7" P.A. 168.00 sep 0.1 mag 7.20,7.20 Sp G8V dist. 20.36 pc (66.41 l.y.)
 
 
Coord 2000 09123+1500 Discov num FIN 347 Comp Aa,Ab Coord arcsec 2000 09 12 17.55 +14 59 45.7
Date first 1959 Date last 2021 Obs 127
Pa first 156 Pa last 167.8 P.A. Now (θ) 167.8°
Sep first 0.1 Sep last 0.114 Sep. Now (ρ) 0.114"
Mag pri 7.20 Mag sec 7.20 delta mag (ΔM) 0 Spectral class G8V (yellow)
Pri motion ra -524 Sec motion ra
Pri motion dec +246 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
09123+1500 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 98427 09 12 18 +14 59 46 FIN 347 Aa,Ab 2021 127 168 0.1 7.20 7.20 0.00 Y <===
Show 98427 09 12 18 +14 59 46 BUP 125 AB 2022 7 117 90.5 6.56 14.17 7.61
Show Pi1 Cnc 98427 09 12 18 +14 59 46 STT 569 AC 2015 16 214 204.7 6.56 10.40 3.84
Show 98427 09 12 18 +14 59 46 WIL 1 AE 2022 2 262 44.7 6.56 17.00 10.44
Show 98427 09 12 18 +14 59 46 HLA 10 AF 2018 3 290 4.6 4.70 12.60 7.90
Show 09 12 15 +14 59 40 BUG 16 Ea,Eb 2004 1 291 0.5 14.70 14.90 0.20
Septuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cancer SAO 98427 HIP 45170 Tycho2 0825-01543-1
HD 79096 HR 3650 GC 12693 GL Gl 337A
BD BD+15 2003 Bayer Pi 1 Cancri Bayer name Pi1 Cnc Flamsteed 81 Cancri
Flamsteed name 81 Cnc Distance 20.36 Distance ly 66.41 Bayer greek π1 Cnc
 
 
ORBITAL ELEMENTS
 
 
Period (P)2.7055y± 0.0002 Periastron (T)1979.9819y± 0.0026 Semi-major axis (a)0.113a± 0
Eccentricity (e)0.44± 0.001 Inclination (i)123.8°± 0.3 Longitude of periastron (ω)352.2°± 0.6
Node (Ω)318°± 0.3 Notesn ReferenceMsn2021a
Equinox Last observation2021 Grade1(1=Definitive, 9=Indet.)
label theta rho
2000 151.8 0.149
2001 111.8 0.107
2002 222.6 0.055
2003 141.7 0.162
2004 68.3 0.055
2005 174.6 0.098
2006 131.9 0.154
2007 330.5 0.061
2008 156.6 0.138
2009 119.2 0.125
2010 258.6 0.052
2011 145.5 0.159
2012 93.0 0.074
2013 187.2 0.080
2014 135.9 0.160
2015 3.3 0.049
2016 162.4 0.124
2017 124.9 0.139
2018 291.5 0.059
2019 149.5 0.153
2020 106.7 0.096
2021 207.4 0.062
2022 139.7 0.162
2023 48.0 0.048
2024 169.7 0.108
2025 129.6 0.150
2026 317.1 0.064
2027 154.0 0.144
2028 115.6 0.116
2029 239.0 0.052
2030 143.5 0.161


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



 
 


wds09123%2B1500e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 09123+1500 FIN 347 Aa,Ab : NOTES
 
 
discov_num notes refcode
FIN 347 Aa,Ab: pi 1 Cnc = 81 Cnc.
1981.358: This observation was incorrectly attributed to ADS 7158 by Tok1982a
Tokovinin (1982a) (noted in Tokovinin 1982b) Tok1982b
1983.9371, 1983.9372: Interferometric observations indicate that Wor1983
Finsen's 1965 orbit (see Worley & Heintz, 1983) must be revised. Bnu1984
1990.9166: Residuals (4.0 deg in theta, 0".007 in rho) to the orbit of
Hartkopf (1989) are only fair, due to a combination of large zenith Hrt1989
distance and close angular separation at the time of this observation.
A combined astrometric/spectroscopic orbital solution is given by
Mason et al (1996). Msn1996a
Reversed Delta m and slightly larger parallax/smaller masses than in Msn1996a
the speckle-spectroscopic study by Mason et al.(1996).
Pourbaix gives combined solution for this resolved SB2, yielding
orbital parallaxes and component masses. Pbx2000b
Aa,Ab: Combined solution orbit. Mass_a = 0.983 +- 0.045 Msun,
Mass_b = 0.903 +- 0.049 Msun, orbital parallax = 48.78 +- 2.36 mas. Msn2012a
Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 1.80 +/- 0.25, 1.86, and 0.91 Msun, respectively. Mlk2012
BUP 125 AB: Due to the high proper motion of the A component, a later
observation of this pair by Soulie was incorrectly entered as a new Sle1986a
component, SLE 478AD.
STT 569 AC: Optical pair, based on study of relative motion of the
components using the method of apparent motion parameters. Kiy2008
WIL 1 AE: CPM pair. Using data from 2MASS, Wilson et al. (2001) derive a Wil2001
spectral type of L8V and mass 40-74Mjup for the companion (called
Gl 337C in that paper). They also note that the C and D components for
the system appear to be background objects without CPM to the AB pair.
BUG 16 Ea,Eb: Burgasser et al (2005) resolved the E component (called Gl 337C
in the paper) into a 0.53" pair of near-equal magnitude. At a distance
to the system of 20.5 +/- 0.4pc, the close pair has a physical
separation of 10.9 +/- 0.6 au. Period of the pair is estimated at
140-180y. Primary is L8; secondary is possibly early- or mid-T dwarf. Bug2005
 
 
REFERENCES
 
 
refcode metd author reference
Bnu1984 S j Bonneau, D., Carquillat, J.M., & Vidal, J.L. 1984A&AS...58..729B
Bnu1984 A&AS 58, 729, 1984
Bug2005 A j Burgasser, A.J., Kirkpatrick, J.D., & Lowrance, P.J. 2005AJ....129.2849B
Bug2005 AJ 129, 2849, 2005
Hrt1989 orb - Hartkopf, W.I., McAlister, H.A., & Franz, O.G. 1989AJ.....98.2275B
Hrt1989 AJ 98, 1014, 1989
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Msn1996a Sc j Mason, B.D., McAlister, H.A., & Hartkopf, W.I. 1996AJ....112..276M
Msn1996a +orb AJ 112, 276, 1996
Msn2012a orb - Mason, B.D. & Hartkopf, W.I. 2012IAUDS.178....1M
Msn2012a Inf. Circ. 178, 1, 2012
Msn2021a orb - Mason, B.D. 2021IAUDS.204....1M
Msn2021a Inf. Circ. 204, 1, 2021
Pbx2000b orb - Pourbaix, D. 2000A&AS..145..215P
Pbx2000b A&AS 145, 215, 2000
Sle1986a Pa - Soulie, G. .
Sle1986a Bull. Inf. Cent. Donnes Stell. #30, 91, 1986
Tok1982a Ig j Tokovinin, A.A. 1982SvAL....8...22T
Tok1982a SvAL 8, 22, 1982 (Pisma Astron. Zhur. 8, 43, 1982)
Tok1982b Ig j Tokovinin, A.A. 1982SvAL....8...99T
Tok1982b SvAL 8, 99, 1982 (Pisma Astron. Zhur. 8, 187, 1982)
Wil2001 E2 - Wilson, J.C., Kirkpatrick, J.D., Gizis, J.E., Skrutskie, M.F., Monet, D.G., & 2001AJ....122.1989W
Wil2001 Houck, J.R.
Wil2001 AJ 122, 1989, 2001
Wil2001 (additional data on primary magnitudes and to derive position angles extracted
Wil2001 from ALADIN and 2MASS data)
Wor1983 - Worley, C.E. & Heintz, W.D. 1983PUSNO..24g...1W
Wor1983 Pub. USNO 24, Pt. 7, 1983 (Fourth Orbit Catalog)
 
 
DISCOVERER
 
 
idgroup discov author
1 BUP Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913)
1 FIN Finsen, W.S.
171 HLA Hirsch, L.A., Ciardi, D.R., Howards, A.W., Marcy, G.W., Ruane, G., Gonzalez, E.,
171 HLA Blunt, S., Crepp, J.R., Fulton, B.J., Isaacson, H., Kosiarek, M., Mawet, D.,
171 HLA Sinukoff, E. & Weiss, L.
172 HLA Hirsch, L.A., Rosenthal, L., Fulton, B.J., Howard, A.W., Ciardi, D.R., Marcy, G.W.,
172 HLA Nielsen, E., Petigura, E.A., de Rosa, R.J., Isaacson, H., Weiss, L.M., Sinukoff, E.
174 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09123+1500 FIN 347 Aa,Ab 2005 104 315 0.2 7.20 7.20 G8V NOD 091217.87+145943.6
09123+1500 FIN 347 Aa,Ab 2007 106 324 0.1 7.20 7.20 G8V NOD 091217.87+145943.6
09123+1500 FIN 347 Aa,Ab 2014 113 309 0.1 7.20 7.20 G8V NO 091217.87+145943.6
09123+1500 FIN 347 Aa,Ab 2015 115 168 0.1 7.20 7.20 G8V NO 091217.87+145943.6
09123+1500 FIN 347 Aa,Ab 2016 116 155 0.1 7.20 7.20 G8V NO 091217.55+145945.7
09123+1500 FIN 347 Aa,Ab 2018 118 150 0.2 7.20 7.20 G8V NO 091217.55+145945.7
09123+1500 FIN 347 Aa,Ab 2019 122 110 0.1 7.20 7.20 G8V NO 091217.55+145945.7
09123+1500 FIN 347 Aa,Ab 2021 125 168 0.1 7.20 7.20 G8V NO 091217.55+145945.7

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 09123+1500 FIN 347 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09123+1500 FIN 347 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 09123+1500 : VIRTUAL EYEPIECE
 
 

09123+1500 BUP 125A mag 6.56 Sp G9V 09123+1500 FIN 347Ab sep 0.1 P.A. 168.20 mag 7.2 09123+1500 BUP 125B sep 88.1 P.A. 117.90 mag 14.17 09123+1500 STT 569C sep 202.6 P.A. 212.80 mag 10.4 09123+1500 BUG  16E sep 41.9 P.A. 261.60 mag 14.7 Sp L8 09123+1500 BUG  16Eb sep 42.3 P.A. 262.00 mag 14.9 Sp T 09123+1500 HLA  10F sep 4.5 P.A. 290.70 mag 12.6 virtual eyepiece
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Radius:
Components only
 
 
WDS 09123+1500 : ALADIN DSS IMAGE @ 09h 12m 17.55s +14° 59' 45.7"
 
 
 
 
WDS 09123+1500 FIN 347 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


09123+1500  FIN 347Aa,Ab distance=0' 09123+1500  BUG  16Ea,Eb distance=1' 09126+1525  DBR 302 distance=26' 09096+1511  OCC 800 distance=41' 09147+1526  SLE 483 distance=44' 09104+1424  GWP1143 distance=45' 09100+1530  BRT1263 distance=45' 09092+1514  STF1317 distance=47' 09088+1521  SLE 476 distance=54' 09157+1426  SLW 338 distance=60' 09143+1403  SLE 480 distance=64' 09156+1551  TDS6429 distance=71' 09144+1608  STF1325 distance=75' 09096+1606  A  2475 distance=77' 09161+1408  TOK 526 distance=77' 09118+1617  BPM 556 distance=78' 09068+1512  RAO 233 distance=80' 09068+1513  DAM1535 distance=82' 09071+1533  HJ  118 distance=84' 09175+1419  ROE  35 distance=88' 09064+1516  OCC9147 distance=88' 09074+1555  SLW 329 distance=90' 09159+1346  CVR 525 distance=91' 09127+1632  STF1322 distance=92' 09186+1516  GWP1157 distance=93' 09062+1529  GWP1137 distance=93' 09056+1447  OCC1014 distance=98' 09088+1625  HDS1328AB distance=99' 09088+1625  FYM 227AC distance=99' 09118+1641  GRV 780 distance=102' 09062+1552  HDS1323 distance=103' 09185+1547  HEI 150 distance=103' 09051+1511  OCC9146 distance=105' 09095+1321  HU  867 distance=107' 09152+1643  BPM 557 distance=112' 09103+1650  SLE 882 distance=114' 09044+1451  HEI  57 distance=115' 09044+1521  GWP1134 distance=117' 09193+1403  GWP1158 distance=117' 09041+1435  UC  129 distance=122' 09135+1259  CVR1203 distance=123' 09043+1418  HJ  115 distance=124' 09043+1413  GWP1133 distance=126' 09208+1538  A  2476 distance=129' 09077+1651  CVR 521 distance=130' 09150+1253  HJ 2490 distance=133' 09078+1702  OCC 616 distance=138' 09196+1332  OCC 214 distance=139' 09040+1349  FAR   7 distance=140' 09045+1625  HDS1314 distance=141' 09048+1331  TVB 211 distance=141' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 09123+1500 FIN 347 Aa,Ab 168 0.1
Show 09123+1500 BUP 125 AB 117 90.5
Show 09123+1500 STT 569 AC 214 204.7
Show 09123+1500 WIL 1 AE 262 44.7
Show 09123+1500 HLA 10 AF 290 4.6
Show 09123+1500 BUG 16 Ea,Eb 291 0.5 1
Show 09126+1525 DBR 302 325 3.0 26
Show 09096+1511 OCC 800 -1 0.1 41
Show 09147+1526 SLE 483 213 14.4 44
Show 09104+1424 GWP1143 74 22.8 45
Show 09100+1530 BRT1263 311 4.9 45
Show 09092+1514 STF1317 63 7.5 47
Show 09088+1521 SLE 476 250 12.3 54
Show 09157+1426 SLW 338 329 9.9 60
Show 09143+1403 SLE 480 288 9.4 64
Show 09156+1551 TDS6429 154 0.5 71
Show 09144+1608 STF1325 77 16.9 75
Show 09096+1606 A 2475 174 0.4 77
Show 09161+1408 TOK 526 338 443.5 77
Show 09118+1617 BPM 556 203 9.0 78
Show 09068+1512 RAO 233 298 1.1 80
Show 09068+1513 DAM1535 108 3.8 82
Show 09071+1533 HJ 118 320 12.5 84
Show 09175+1419 ROE 35 274 11.4 88
Show 09064+1516 OCC9147 -1 0.0 88
Show 09074+1555 SLW 329 64 43.1 90
Show 09159+1346 CVR 525 72 8.4 91
Show 09127+1632 STF1322 53 1.7 92
Show 09186+1516 GWP1157 347 8.7 93
Show 09062+1529 GWP1137 177 9.7 93
Show 09056+1447 OCC1014 -1 0.4 98
Show 09088+1625 HDS1328 AB 143 4.1 99
Show 09088+1625 FYM 227 AC 158 18.5 99
Show 09118+1641 GRV 780 97 18.3 102
Show 09062+1552 HDS1323 0.2 103
Show 09185+1547 HEI 150 261 0.3 103
Show 09051+1511 OCC9146 -1 0.2 105
Show 09095+1321 HU 867 181 2.3 107
Show 09152+1643 BPM 557 35 88.1 112
Show 09103+1650 SLE 882 89 8.7 114
Show 09044+1451 HEI 57 132 1.8 115
Show 09044+1521 GWP1134 51 4.9 117
Show 09193+1403 GWP1158 117 12.4 117
Show 09041+1435 UC 129 251 47.8 122
Show 09135+1259 CVR1203 7 3.3 123
Show 09043+1418 HJ 115 121 18.9 124
Show 09043+1413 GWP1133 286 25.4 126
Show 09208+1538 A 2476 336 0.4 129
Show 09077+1651 CVR 521 19.2 130
Show 09150+1253 HJ 2490 67 21.4 133
Show 09078+1702 OCC 616 -1 0.1 138

 
 
WDS 09123+1500 : COMPONENTS
 
 
  A Ab B C E Eb
Ab pa=168.2°
sep=0.11"
 
B pa=117.9°
sep=88.07"
pa=117.9°
sep=88.00"
 
C pa=212.8°
sep=202.61"
pa=212.8°
sep=202.52"
pa=235.5°
sep=227.70"
 
E pa=261.6°
sep=41.89"
pa=261.8°
sep=41.89"
pa=286.4°
sep=124.33"
pa=22.6°
sep=177.85"
 
Eb pa=262.0°
sep=42.33"
pa=262.1°
sep=42.34"
pa=286.4°
sep=124.84"
pa=22.4°
sep=177.84"
pa=291.7°
sep=0.51"
 
F pa=290.7°
sep=4.49"
pa=292.0°
sep=4.55"
pa=297.6°
sep=92.52"
pa=31.5°
sep=201.72"
pa=78.3°
sep=38.03"
pa=78.8°
sep=38.46"
 
 
09123+1500 A
 
 
Coord arcsec 2000 091217.55+145945.7 Mag 6.56 Spectral class G9V (yellow) PmRA -524.00
PmDE 246.0 SAO 98427 HIP 45170 Tycho2 0825-01543-1
HD 79096 HR 3650 GC 12693 BD BD+15 2003
Bayer Pi 1 Cancri Bayer name Pi1 Flamsteed 81 Cancri Flamsteed name 81 Cnc
Tycho2
Tycho2 0825-01543-1 Pflag RAmdeg 138.07312658 DEmdeg 14.99603732
PmRA -522.8 PmDE 245.8 E RAmdeg 4 E DEmdeg 5
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.29 EpDEm 1991.14
Num 20 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.0 BTmag 7.403 E BTmag 0.015 VTmag 6.565
E VTmag 0.010 Prox 999 TYC T HIP 45170
CCDM RAdeg 138.07436361 DEdeg 14.99548111 EpRA 1990 1.77
EpDE 1990 1.85 E RAdeg 3.7 E DEdeg 4.5 Posflg
Corr 0.2
SAO
SAO 98427 DelFlag RA1950 PmRA1950 -0.0361
DE1950 PmDE1950 0.242 Vmag 6.4 SpType G5
Double code Source 70 CatNum 12693 DM BD+15 2003
DMcomp BDsup HD 79096 M HD 0
GC 12693 RA1950rad 2.39790125 DE1950rad 0.26526642 PmRA2000 -0.036
PmDE2000 0.248
Hipparcos
Catalog H HIP 45170 Proxy RAhms 09 12 17.87
DEdms +14 59 43.6 Vmag 6.49 VarFlag R Vmag H
RAdeg 138.074 DEdeg 14.9954 AstroRef Plx 48.83
CCDM 09123+1459 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 79096 BD BD+15 2003
CD CP Dm number +15 2003 VIred 0.78
SpType G9V R SpType Coord arcsec 2000 091217.87+145943.6
Hipparcos 2
HIP 45170 Sn 5 So 0 Nc 1
RArad 2.4098535759 DErad 0.2617198246 Plx 49.11 PmRA -524.4
PmDE 245.64 E RArad 0.44 E DErad 0.27 E Plx 0.54
E pmRA 0.6 E pmDE 0.29 Hpmag 6.6259 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.731 E BV 0.004
VI 0.78
 
 
09123+1500 Ab
 
 
Coord arcsec 2000 091217.55+145945.6 Mag 7.2 Calc coord yes
 
 
09123+1500 B
 
 
Coord arcsec 2000 091222.92+145904.5 Mag 14.17 PmRA 26.00 PmDE -29.0
Calc delta mag 6.97 Calc coord yes
 
 
09123+1500 C
 
 
Coord arcsec 2000 091209.98+145655.4 Mag 10.4 PmRA -12.00 PmDE 12.0
Tycho2 0825-01529-1 Calc delta mag 3.2 Calc coord yes
Tycho2
Tycho2 0825-01529-1 Pflag RAmdeg 138.03812206 DEmdeg 14.94976551
PmRA -12.9 PmDE 10.4 E RAmdeg 21 E DEmdeg 27
E pmRA 1.3 E pmDE 1.2 EpRAm 1985.61 EpDEm 1983.46
Num 7 Q RAmdeg 0.8 Q DEmdeg 0.9 Q pmRA 0.8
Q pmDE 0.9 BTmag 10.785 E BTmag 0.046 VTmag 10.398
E VTmag 0.044 Prox 999 TYC T HIP
CCDM RAdeg 138.03815417 DEdeg 14.94973972 EpRA 1990 1.72
EpDE 1990 1.93 E RAdeg 24.4 E DEdeg 31.4 Posflg
Corr 0.1
 
 
09123+1500 E
 
 
Coord arcsec 2000 091214.69+145939.6 Coord calc 091214.60+145939.5 Mag 14.7 Mag composta 17
Spectral class L8 (very deep red) PmRA -566.00 PmDE 279.0 Calc delta mag 7.5
 
 
09123+1500 Eb
 
 
Coord arcsec 2000 091214.66+145939.8 Mag 14.9 Spectral class T (brown dwarf) Calc delta mag 7.7
Calc coord yes
 
 
09123+1500 F
 
 
Coord arcsec 2000 091217.26+145947.3 Mag 12.6 Calc delta mag 5.4 Calc coord yes