20214+8523 LOC 457
20h 21m 22.79s +85° 23' 00.3" P.A. 271.00 sep 1.9 mag 14.50,15.00
| Coord 2000 | 20214+8523 | Discov num | LOC 457 | Comp | Coord arcsec 2000 | 20 21 22.79 +85 23 00.3 | |||||
| Date first | 2015 | Date last | 2016 | Obs | 2 | ||||||
| Pa first | 271 | Pa last | 270.9 | P.A. Now (θ) | 270.9° | ||||||
| Sep first | 1.9 | Sep last | 1.926 | Sep. Now (ρ) | 1.926" | ||||||
| Mag pri | 14.50 | Mag sec | 15.00 | delta mag (ΔM) | 0.5 | Spectral class | |||||
| Pri motion ra | +068 | Sec motion ra | +063 | ||||||||
| Pri motion dec | +055 | Sec motion dec | +051 | ||||||||
| Notes | V (Proper motion indicates physical) | ||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Constellation | Draco |
WDS 20214+8523 LOC 457 : NOTES
REFERENCES
| refcode | metd | author | reference |
| Loc2013 | C - | Locatelli, G. | . |
| Loc2013 | Il Bollettino Delle Stelle Doppie 7, 28, 2013 | ||
| Loc2014 | P - | Locatelli, G. | . |
| Loc2014 | +E2 | Il Bollettino Delle Stelle Doppie 8, 36, 2014 | |
| Loc2014b | C j | Locatelli, G. | . |
| Loc2014b | Il Bollettino Delle Stelle Doppie 9, 12, 2014 | ||
| Loc2014c | C j | Locatelli, G. | . |
| Loc2014c | +E2 | Il Bollettino Delle Stelle Doppie 11, 20, 2014 | |
| Loc2014c | +P | ||
| Loc2015a | C j | Locatelli, G. | . |
| Loc2015a | +E2 | Il Bollettino Delle Stelle Doppie 12, 10, 2015 | |
| Loc2015a | +P | ||
| Loc2015b | C j | Locatelli, G. | . |
| Loc2015b | Il Bollettino Delle Stelle Doppie 13, 11, 2015 | ||
| Loc2015c | - | Locatelli, G. | . |
| Loc2015c | Il Bollettino Delle Stelle Doppie 14, 16, 2015 | ||
| Loc2016 | C - | Locatelli, G. | . |
| Loc2016 | +Pp | Il Bollettino Delle Stelle Doppie 16, 9, 2016 | |
| Loc2016b | C j | Locatelli, G. | . |
| Loc2016b | Il Bollettino Delle Stelle Doppie 17, 16, 2016 | ||
| Loc2016c | C j | Sordiglioni, G., Mantero, A., Locatelli, G. & Galli, G. | . |
| Loc2016c | Il Bollettino Delle Stelle Doppie 17, 25, 2016 | ||
| Loc2016d | C j | Locatelli, G. | . |
| Loc2016d | Il Bollettino Delle Stelle Doppie 19, 4, 2016 | ||
| Loc2017a | C j | Locatelli, G. | . |
| Loc2017a | Il Bollettino Delle Stelle Doppie 20, 19, 2017 | ||
| Loc2017b | C j | Locatelli, G. | 2017OED....19...34L |
| Loc2017b | El Observador de Estrellas Dobles, Issue #19, 34, 2017 | ||
| Loc2019 | Hg j | Locatelli, G. | 2019OED....22...27L |
| Loc2019 | El Observador de Estrellas Dobles, Issue #22, 27, 2019 | ||
| Loc2019b | Hg j | Locatelli, G. | 2019OED....23...39L |
| Loc2019b | El Observador de Estrellas Dobles, Issue #23, 39, 2019 | ||
| Loc2019b | Note: pairs already in WDS or WDSS not added. | ||
| Loc2019c | Hg j | Locatelli, G. | 2019OED....23...63L |
| Loc2019c | El Observador de Estrellas Dobles, Issue #23, 63, 2019 | ||
| Loc2019c | Note: pairs already in WDS or WDSS not added. |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20214+8523 | LOC 457 | 2015 | 1 | 271 | 1.9 | 14.50 | 15.00 | V | 202122.79+852300.3 | ||
| 20214+8523 | LOC 457 | 2016 | 2 | 271 | 1.9 | 14.50 | 15.00 | V | 202122.79+852300.3 |
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WDS 20214+8523 LOC 457 : VISUAL OBSERVATIONS REPORTS
WDS 20214+8523 LOC 457 : MEASURES
WDS 20214+8523 : VIRTUAL EYEPIECE
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WDS 20214+8523 : ALADIN DSS IMAGE @
Error -22130
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