Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179865102 (SMSS J172850.50-210433.4)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)262.210
Dec (deg)-21.076
Galactic lon. (deg)4.635
Galactic lat. (deg)7.405
E(B-V) (SFD98) (mag)0.994
E(B-V) (GNILC) (mag)0.839 ± 0.042
Nearest DR4 source 179865100 (6.6 arcs away)
2nd-nearest DR4 source 179865103 (8.1 arcs away)
3rd-nearest DR4 source 179865098 (11.7 arcs away)
Times observed21
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 19.408 ± 0.021 18.463 ± 0.035 17.774 ± 0.044 17.462 ± 0.029
Petrosian mag. — — 19.254 ± 0.103 18.142 ± 0.072 17.615 ± 0.103 17.391 ± 0.090

2 x 2 arcmin

Image cutouts

See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.

Photometry measurements

Filter Image ID Magnitude (APC05) Flags Exp time (s) Image Quality
(1=best to 3)
g 20190505165725 19.426 ± 0.058 0,0 100 2
g 20190507143127 19.418 ± 0.061 0,0 100 2
g 20190822094124 19.418 ± 0.058 0,0 100 2
r 20140729111131 18.523 ± 0.164 0,0 5 2
r 20190429143921 18.531 ± 0.058 0,0 100 3
r 20190505165926 18.466 ± 0.051 0,0 100 2
r 20190507143327 18.512 ± 0.053 0,0 100 2
r 20190822094324 18.449 ± 0.050 0,0 100 2
r 20190822095933 18.444 ± 0.05 0,0 100 2
i 20140722114611 18.025 ± 0.128 0,0 10 2
i 20140729111202 17.955 ± 0.124 512,0 10 2
i 20150901084554 17.679 ± 0.048 0,0 100 2
i 20160420172350 17.858 ± 0.144 16,0 10 2
i 20190419150817 17.789 ± 0.070 0,0 100 2
i 20190505170526 17.684 ± 0.049 0,0 100 2
i 20190720123536 17.786 ± 0.058 0,0 100 2
z 20140722114641 17.437 ± 0.101 0,0 20 2
z 20140729111235 17.437 ± 0.104 0,0 20 2
z 20150901084754 17.350 ± 0.058 0,0 100 2
z 20160420172420 17.522 ± 0.13 528,0 20 2
z 20190419151018 17.561 ± 0.087 0,0 100 2
z 20190505170726 17.346 ± 0.060 0,0 100 2
z 20190720123157 17.424 ± 0.067 0,0 100 2
z 20190720123735 17.406 ± 0.068 0,0 100 2
z 20200513183957 17.474 ± 0.083 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.43 1.56
GAIA source ID 4120954806220984704 4120954810515249920
Bp mag. 19.432 --
G mag. 18.544 20.473
Rp mag. 17.589 --
Bp/Rp excess 1.334 --
Parallax (mas) 0.482 ± 0.191 1.002 ± 1.181
PM RA (mas/yr) 1.101 ± 0.228 -1.314 ± 1.482
PM Dec (mas/yr) 0.489 ± 0.158 -11.251 ± 1.017
A.E.N. (mas) 0.0 ± 0.0 2.420 ± 1.278

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.56 ± 0.008
r 18.432 ± 0.003
i 17.822 ± 0.009
z 17.513 ± 0.008
Y -- ± --
J 16.270 ± 0.014
H -- ± --
K 15.549 ± 0.025
W1 14.889 ± 0.016
W2 14.645 ± 0.026
W3 -- ± --
W4 -- ± --
1Magnitude sources
FUV/NUV: AB mag (calibrated) from GALEX
ugriz: AB mag (Kron) from NOAO Source Catalog
YJHK: Vega mag from VISTA (2" aperture) or 2MASS PSC
W1-W4: Vega mag from CatWISE2020 or AllWISE (profile mag). No error value means the stated value is an upper limit.