Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179829519 (SMSS J172558.63-204308.7)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.4943
Dec (deg)-20.7191
Galactic lon. (deg)4.5693
Galactic lat. (deg)8.1602
E(B-V) (SFD98) (mag)0.876
E(B-V) (GNILC) (mag)0.721 ± 0.051
Nearest DR4 source 179829518 (6.3 arcs away)
2nd-nearest DR4 source 179829530 (6.8 arcs away)
3rd-nearest DR4 source 179829523 (10.6 arcs away)
Times observed20
Total bad pixels1
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 19.900 ± 0.046 18.843 ± 0.044 18.087 ± 0.027 17.718 ± 0.032
Petrosian mag. 19.693 ± 0.370 18.765 ± 0.181 17.997 ± 0.057 17.847 ± 0.095

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 20190506165109 19.815 ± 0.075 1,0 100 2
g 20190507143127 19.914 ± 0.081 1,1 100 2
r 20190505165926 18.782 ± 0.067 1,0 100 2
r 20190506165309 18.765 ± 0.056 3,0 100 2
r 20190507143327 18.832 ± 0.057 3,0 100 2
r 20190822094324 18.948 ± 0.073 1041,0 100 2
i 20140729111202 17.949 ± 0.115 0,0 10 2
i 20150901084153 17.948 ± 0.055 1,0 100 2
i 20150901084554 18.015 ± 0.053 3,0 100 2
i 20190505170526 17.977 ± 0.057 1,0 100 2
i 20190508164002 18.060 ± 0.066 3,0 100 2
i 20190509140533 18.119 ± 0.070 3,0 100 2
i 20190720124743 18.084 ± 0.077 3,0 100 2
i 20200513190610 18.143 ± 0.089 1,0 100 2
z 20140722114259 17.652 ± 0.118 1,0 20 2
z 20140729111235 17.611 ± 0.111 0,0 20 2
z 20150901084353 17.626 ± 0.067 1024,0 100 2
z 20150901084754 17.573 ± 0.063 0,0 100 2
z 20190505170726 17.639 ± 0.073 1,0 100 2
z 20190508164202 17.652 ± 0.075 1,0 100 2
z 20190509140733 17.736 ± 0.088 1,0 100 2
z 20190720124943 17.689 ± 0.085 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.89 1.07
GAIA source ID 4121123104569080064 4121123104527799680
Bp mag. 19.964 20.103
G mag. 19.162 19.471
Rp mag. 18.029 18.293
Bp/Rp excess 1.542 1.651
Parallax (mas) 0.863 ± 0.317 -0.310 ± 0.414
PM RA (mas/yr) -2.498 ± 0.397 -1.260 ± 0.538
PM Dec (mas/yr) -5.849 ± 0.265 -4.924 ± 0.356
A.E.N. (mas) 0.880 ± 2.337 1.689 ± 6.586

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.586 ± 0.013
r 19.195 ± 0.004
i 18.501 ± 0.009
z 18.128 ± 0.009
Y -- ± --
J 16.533 ± 0.018
H -- ± --
K 15.702 ± 0.030
W1 15.645 ± 0.028
W2 16.047 ± 0.092
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.