Coord 2000 | 17322+8635 | Discov num | DRS 59 | Comp | Coord arcsec 2000 | 17 32 12.90 +86 35 10.8 | |||||
Date first | 2009 | Date last | 2009 | Obs | 1 | ||||||
Pa first | 67 | Pa last | 67.3 | P.A. Now (θ) | 67.3° | ||||||
Sep first | 4.5 | Sep last | 4.5 | Sep. Now (ρ) | 4.5" | ||||||
Mag pri | 4.26 | Mag sec | 11.80 | delta mag (ΔM) | 7.54 | Spectral class | A1Vn (white) | ||||
Pri motion ra | +011 | Sec motion ra | |||||||||
Pri motion dec | +054 | Sec motion dec | |||||||||
Notes | N K (See Notes, K-band or other infrared magnitudes) |
Common name | Yildun | Constellation | Ursa Minor | SAO | 2937 | HIP | 85822 | ||||
Tycho2 | 4655-01053-1 | Gaia DR2 | 1724851173788449536 | HD | 166205 | HR | 6789 | ||||
GC | 24236 | BD | BD+86 269 | Bayer | Delta Ursae Minoris | Bayer name | Del UMi | ||||
Flamsteed | 23 Ursae Minoris | Flamsteed name | 23 UMi | FK5 | 913 | Distance | 52.77 | ||||
Distance ly | 172.14 | Bayer greek | δ UMi |
discov_num | notes | refcode |
DRS 59 | del UMi = 23 UMi = Yildun |
refcode | metd | author | reference |
DRs2011 | A j | De Rosa, R.J., Bulger, J., Patience, J., Leland, B., Macintosh, B., Schnieder, A., | 2011MNRAS.415..854D |
DRs2011 | Song, I., Marois, C. et al. | ||
DRs2011 | MNRAS 415, 854, 2011 (Note: position angle ambiguous for AEOS data) | ||
DRs2012 | A j | De Rosa, R.J., Patience, J., Vigan, A., Wilson, P.A., Schnieder, A., | 2012MNRAS.422.2765D |
DRs2012 | McConnell, N.J., Wiktorowicz, S.J., Marois, C., Song, I., Macintosh, B., | ||
DRs2012 | Graham, J.R., Bessell, M.S., Doyon, R., & Lai, O. | ||
DRs2012 | MNRAS 422, 2765, 2012 | ||
DRs2012 | (includes re-reduction of some data originally published in DRs2011) | 2011MNRAS.415..854D | |
DRs2014a | A j | De Rosa, R.J., Patience, J., Wilson, P. A., Schneider, A., Wiktorowicz, S. J., | 2014MNRAS.437.1216D |
DRs2014a | +E2 | Vigan, A., Marois, C., Song, I., Macintosh, B., Graham, J. R., et al. | |
DRs2014a | MNRAS 437, 1216, 2014 | ||
DRs2014a | (Note: Paper includes data from multiple telescopes/filters. Telescope/filter for | ||
DRs2014a | given date estimated when possible from other papers by authors; otherwise | ||
DRs2014a | approximate filter information and mean telescope aperture of 5m listed.) | ||
DRs2014b | A j | De Rosa, R.J., Patience, J., Ward-Duong, K., Vigan, A., Marois, C., Song, I., | 2014MNRAS.445.3694D |
DRs2014b | Macintosh, B., Graham, J.R., Doyon, R., Bessell, M.S., et al. | ||
DRs2014b | MNRAS 445, 3694, 2014 | ||
DRs2019 | A j | De Rosa, R.J., Nielsen, E.L., Rameau, J., Duchene, G., Greenbaum, A.Z., Wang, J.J., | 2019AJ....158..226D |
DRs2019 | Ammons, S.M., Bailey, V.P., Barman, T., Bulger, J., Chilcote, J., Cotten, T., | ||
DRs2019 | Doyon, R., Esposito, T.M., Fitzgerald, M.P., Follette, K.B., Gerard, B.L., | ||
DRs2019 | Goodsell, S.J., Graham, J.R., Hibon, P., Horn, J., Hung, L.-W., Ingraham, P., | ||
DRs2019 | Kalas, P., Konopacky, Q., Larkin, J.E., Macintosh, B., Maire, J., Marchis, F., | ||
DRs2019 | Marley, M.S., Marois, C., Metchev, S., Millar-Blanchaer, M.A., Oppenheimer, R., | ||
DRs2019 | Palmer, D., Patience, J., Perrin, M., Poyneer, L., Pueyo, L., Rajan, A., Rantakyro, | ||
DRs2019 | F.T., Ren, B., Ruffio, J.-B., Savransky, D., Schneider, A.C., Sivaramakrishnan, A., | ||
DRs2019 | Song, I., Soummer, R., Tallis, M., Thomas, S., Wallace, J.K., Ward-Duong, K., | ||
DRs2019 | Wiktorowicz, S. & Wolff, S. | ||
DRs2019 | AJ 158, 226, 2019 | ||
DRs2019 | MNRAS 445, 3694, 2014 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
17322+8635 | DRS 59 | 2009 | 1 | 67 | 4.5 | 4.26 | 11.80 | A1Vn | K | 173212.90+863510.8 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | |
B | pa=8.1° sep=1.75" |
Componente originario normalizzato | AB | Common name | Yildun | Coord arcsec 2000 | 173212.90+863510.8 | Mag | 4.26 | ||||
Spectral class | A1Vn (white) | PmRA | 11.00 | PmDE | 54.0 | SAO | 2937 | ||||
HIP | 85822 | Tycho2 | 4655-01053-1 | HD | 166205 | HR | 6789 | ||||
GC | 24236 | BD | BD+86 269 | Bayer | Delta Ursae Minoris | Bayer name | Del UMi | ||||
Flamsteed | 23 Ursae Minoris | Flamsteed name | 23 UMi | FK5 | 913 |
Tycho2 | 4655-01053-1 | Pflag | RAmdeg | 263.05411524 | DEmdeg | 86.58646256 | |||||
PmRA | 9.5 | PmDE | 54.6 | E RAmdeg | 3 | E DEmdeg | 3 | ||||
E pmRA | 0.2 | E pmDE | 0.2 | EpRAm | 1988.89 | EpDEm | 1989.42 | ||||
Num | 18 | Q RAmdeg | 1.0 | Q DEmdeg | 1.0 | Q pmRA | 1.5 | ||||
Q pmDE | 1.5 | BTmag | 4.380 | E BTmag | 0.014 | VTmag | 4.340 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 85822 | ||||
CCDM | RAdeg | 263.05374500 | DEdeg | 86.58633667 | EpRA 1990 | 1.68 | |||||
EpDE 1990 | 1.69 | E RAdeg | 3.3 | E DEdeg | 3.2 | Posflg | |||||
Corr | 0.0 |
SAO | 2937 | DelFlag | RA1950 | PmRA1950 | 0.0107 | ||||||
DE1950 | PmDE1950 | 0.054 | Vmag | 4.4 | SpType | A0 | |||||
Double code | Source | 74 | CatNum | 913 | DM | BD+86 269 | |||||
DMcomp | BDsup | HD | 166205 | M HD | 0 | ||||||
GC | 24236 | RA1950rad | 4.66136268 | DE1950rad | 1.51162374 | PmRA2000 | 0.0108 | ||||
PmDE2000 | 0.057 |
Catalog | H | HIP | 85822 | Proxy | RAhms | 17 32 12.90 | |||||
DEdms | +86 35 10.8 | Vmag | 4.35 | VarFlag | R Vmag | H | |||||
RAdeg | 263.054 | DEdeg | 86.5863 | AstroRef | Plx | 17.85 | |||||
CCDM | N CCDM | Nsys | Ncomp | 1 | |||||||
MultFlag | Source | Qual | S | M HIP | |||||||
Theta | Rho | HD | 166205 | BD | BD+86 269 | ||||||
CD | CP | Dm number | +86 269 | VIred | 0.04 | ||||||
SpType | A1Vn | R SpType | Coord arcsec 2000 | 173212.90+863510.8 |
HIP | 85822 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 4.5911538344 | DErad | 1.5112165367 | Plx | 18.95 | PmRA | 10.17 | ||||
PmDE | 53.97 | E RArad | 0.12 | E DErad | 0.14 | E Plx | 0.14 | ||||
E pmRA | 0.12 | E pmDE | 0.15 | Hpmag | 4.3641 | E Hpmag | 0.0005 | ||||
SHp | 0.004 | VA | 0 | BV | 0.021 | E BV | 0.002 | ||||
VI | 0.04 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 173213.18+863512.5 | Mag | 11.8 | Calc delta mag | 7.54 | ||||
Calc coord | yes |