Coord 2000 | 18055+0230 |
Discov num | STF2272 |
Comp | AB |
Coord arcsec 2000 | 18 05 27.37 +02 29 59.3 |
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Date first | 1777 |
Date last | 2019 |
Obs | 1726 |
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Pa first | 82 |
Pa last | 122 |
P.A. Now (θ) | 120.9° |
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Sep first | 7.0 |
Sep last | 6.6 |
Sep. Now (ρ) | 6.67" |
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Mag pri | 4.22 |
Mag sec | 6.17 |
delta mag (ΔM) | 1.95 |
Spectral class | K0V+K4V (yellow-orange/yellow-orange) |
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Pri motion ra | +028 |
Sec motion ra | +044 |
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Pri motion dec | -109 |
Sec motion dec | -125 |
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Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 70 Oph | 123107 | 18 05 27 +02 29 59 | STF 2272 AB | 2019 | 1726 | 121 | 6.7 | 4.22 | 6.17 | 1.95 | Y | <=== |
Show | 123107 | 18 05 27 +02 29 59 | STF 2272 AC | 2013 | 58 | 326 | 93.1 | 4.22 | 12.05 | 7.83 | |||
Show | 123107 | 18 05 27 +02 29 59 | STF 2272 AD | 2009 | 20 | 315 | 129.3 | 4.22 | 14.36 | 10.14 | |||
Show | 123107 | 18 05 27 +02 29 59 | TNN 9 AE | 2004 | 1 | 231 | 9.4 | 1.79 | 13.01 | 11.22 | |||
Show | 123107 | 18 05 27 +02 29 59 | TNN 9 AF | 2004 | 1 | 196 | 11.5 | 1.79 | 13.82 | 12.03 | |||
Show | 123107 | 18 05 27 +02 29 59 | STF 2272 AR | 2012 | 27 | 26 | 164.8 | 4.22 | 12.87 | 8.65 | |||
Show | 123107 | 18 05 27 +02 29 59 | STF 2272 AS | 2009 | 37 | 10 | 202.6 | 4.22 | 12.45 | 8.23 | |||
Show | 123107 | 18 05 27 +02 29 59 | STF 2272 AT | 2013 | 28 | 45 | 128.4 | 4.22 | 12.25 | 8.03 | |||
Show | 123107 | 18 05 27 +02 29 59 | STF 2272 AU | 2009 | 17 | 337 | 255.5 | 4.22 | 13.79 | 9.57 | |||
Show | 123107 | 18 05 27 +02 29 59 | STF 2272 AV | 2013 | 41 | 276 | 144.5 | 4.22 | 10.83 | 6.61 | |||
Show | 123107 | 18 05 27 +02 29 59 | STF 2272 AY | 2009 | 4 | 357 | 250.5 | 4.22 | 14.73 | 10.51 | |||
Show | 123107 | 18 05 27 +02 29 59 | STF 2272 AZ | 2000 | 1 | 163 | 68.3 | 4.22 | 16.04 | 11.82 | |||
Show | 123107 | 18 05 27 +02 29 56 | STF 2272 BC | 2000 | 5 | 322 | 81.2 | 6.17 | 12.05 | 5.88 | |||
Show | 123107 | 18 05 27 +02 29 56 | STF 2272 BD | 2000 | 3 | 311 | 120.0 | 6.17 | 14.36 | 8.19 | |||
Show | 123107 | 18 05 27 +02 29 56 | STF 2272 BR | 2000 | 23 | 29 | 154.3 | 6.17 | 12.87 | 6.70 | |||
Show | 123107 | 18 05 27 +02 29 56 | STF 2272 BZ | 2000 | 3 | 163 | 70.2 | 6.17 | 16.04 | 9.87 | |||
Show | 18 05 18 +02 30 00 | STF 2272 VT | 2015 | 28 | 72 | 247.5 | 10.83 | 12.25 | 1.42 | ||||
Show | 18 05 18 +02 30 00 | STF 2272 VW | 2015 | 11 | 270 | 180.6 | 10.83 | 11.77 | 0.94 | ||||
Show | 18 05 18 +02 30 00 | STF 2272 VX | 2015 | 10 | 253 | 17.5 | 10.83 | 13.88 | 3.05 |
Precise pa | 121.8 |
Precise sep | 6.645 |
Name | 70 Oph |
Other name | p Oph |
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Var name | V2391 Oph |
Constellation | Ophiuchus |
SAO | 123107 |
HIP | 88601 |
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Tycho2 | 0434-05213-1 |
Gaia DR2 | 4468557989937892096 |
HD | 165341 |
HR | 6752 |
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GC | 24641 |
ADS | 11046 |
GL | Gl 702A |
BD | BD+02 3482 |
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Flamsteed | 70 Ophiuchi |
Flamsteed name | 70 Oph |
Distance | 5.08 |
Distance ly | 16.57 |
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last precise pa | 121.8 |
last precise sep | 6.645 |
Period (P) | 88.3983y | ± 0.0384 | Periastron (T) | 1895.8216y | ± 0.0525 | Semi-major axis (a) | 4.55038a | ± 0.00625 |
Eccentricity (e) | 0.49803 | ± 0.00052 | Inclination (i) | 120.892° | ± 0.089 | Longitude of periastron (ω) | 193.376° | ± 0.252 |
Node (Ω) | 121.692° | ± 0.126 | Note | Grade | 1 | (1=Definitive, 9=Indet.) | ||
Equinox | Last observation | 2015 |
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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 |
18055+0230 | STF2272 | AB | 2007 | 1681 | 134 | 5.4 | 4.22 | 6.17 | K0V K4V | NODP | 180527.37+022959.3 |
18055+0230 | STF2272 | AB | 2008 | 1685 | 133 | 5.7 | 4.22 | 6.17 | K0V K4V | NODP | 180527.37+022959.3 |
18055+0230 | STF2272 | AB | 2009 | 1690 | 132 | 5.7 | 4.22 | 6.17 | K0V K4V | NODP | 180527.37+022959.3 |
18055+0230 | STF2272 | AB | 2010 | 1699 | 131 | 5.8 | 4.22 | 6.17 | K0V K4V | NODP | 180527.37+022959.3 |
18055+0230 | STF2272 | AB | 2012 | 1713 | 128 | 6.2 | 4.22 | 6.17 | K0V K4V | NODP | 180527.37+022959.3 |
18055+0230 | STF2272 | AB | 2013 | 1730 | 130 | 5.9 | 4.22 | 6.17 | K0V K4V | NODP | 180527.37+022959.3 |
18055+0230 | STF2272 | AB | 2014 | 1697 | 128 | 6.2 | 4.22 | 6.17 | K0V K4V | NODP | 180527.37+022959.3 |
18055+0230 | STF2272 | AB | 2015 | 1698 | 126 | 6.6 | 4.22 | 6.17 | K0V+K4V | NO P | 180527.37+022959.3 |
18055+0230 | STF2272 | AB | 2016 | 1706 | 124 | 6.6 | 4.22 | 6.17 | K0V+K4V | NO P | 180527.37+022959.3 |
18055+0230 | STF2272 | AB | 2017 | 1709 | 124 | 6.5 | 4.22 | 6.17 | K0V+K4V | NO P | 180527.37+022959.3 |
18055+0230 | STF2272 | AB | 2018 | 1713 | 121 | 6.8 | 4.22 | 6.17 | K0V+K4V | NO P | 180527.37+022959.3 |
18055+0230 | STF2272 | AB | 2019 | 1721 | 122 | 6.6 | 4.22 | 6.17 | K0V+K4V | NO P | 180527.37+022959.3 |