Coord 2000 | 19398-2326 |
Discov num | SEE 389 |
Comp | Coord arcsec 2000 | 19 39 49.46 -23 25 39.4 |
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Date first | 1897 |
Date last | 2018 |
Obs | 37 |
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Pa first | 332 |
Pa last | 332 |
P.A. Now (θ) | 328.9° |
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Sep first | 0.2 |
Sep last | 0.1 |
Sep. Now (ρ) | 0.19" |
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Mag pri | 6.80 |
Mag sec | 7.51 |
delta mag (ΔM) | 0.71 |
Spectral class | A0V (white) |
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Pri motion ra | +006 |
Sec motion ra | |||||||||
Pri motion dec | -037 |
Sec motion dec | |||||||||
Notes |
Precise pa | 331.8 |
Precise sep | 0.145 |
Name | 53 Sgr |
Constellation | Sagittarius |
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SAO | 188407 |
HIP | 96729 |
Tycho2 | 6889-02260-1 |
Gaia DR2 | 6768670963020310656 |
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HD | 185404 |
HR | 7470 |
GC | 27189 |
ADS | 12741 |
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CD | CD-2315618 |
CP | CP-23 7543 |
Flamsteed | 53 Sagittarii |
Flamsteed name | 53 Sgr |
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Distance | 98.72 |
Distance ly | 322.02 |
last precise pa | 331.8 |
last precise sep | 0.145 |
Period (P) | 46.2y | ± 0.1 | Periastron (T) | 1976.63y | ± 0.6 | Semi-major axis (a) | 0.221a | ± 0.001 |
Eccentricity (e) | 0.088 | ± 0.007 | Inclination (i) | 93.5° | ± 0.2 | Longitude of periastron (ω) | 0.4° | ± 4.7 |
Node (Ω) | 327.9° | ± 0.3 | Note | Grade | 2 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation | 2014 |
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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 |
19398-2326 | SEE 389 | 1991 | 29 | 333 | 0.1 | 6.80 | 7.51 | A0V | NO | 193949.46-232539.4 | |
19398-2326 | SEE 389 | 2008 | 33 | 322 | 0.1 | 6.80 | 7.51 | A0V | NO | 193949.46-232539.4 | |
19398-2326 | SEE 389 | 2014 | 33 | 337 | 0.1 | 6.80 | 7.51 | A0V | NO | 193949.46-232539.4 | |
19398-2326 | SEE 389 | 2015 | 34 | 336 | 0.1 | 6.80 | 7.51 | A0V | NO | 193949.46-232539.4 | |
19398-2326 | SEE 389 | 2017 | 36 | 333 | 0.1 | 6.80 | 7.51 | A0V | NO | 193949.46-232539.4 | |
19398-2326 | SEE 389 | 2018 | 37 | 332 | 0.1 | 6.80 | 7.51 | A0V | NO | 193949.46-232539.4 |