Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179805317 (SMSS J172548.65-205136.7)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.453
Dec (deg)-20.860
Galactic lon. (deg)4.428
Galactic lat. (deg)8.116
E(B-V) (SFD98) (mag)0.819
E(B-V) (GNILC) (mag)0.823 ± 0.040
Nearest DR4 source 179805307 (8.5 arcs away)
2nd-nearest DR4 source 179805319 (9.6 arcs away)
Times observed40
Total bad pixels4
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.852 ± 0.016 16.804 ± 0.013 15.929 ± 0.011 15.443 ± 0.011
Petrosian mag. — — 17.761 ± 0.05 16.728 ± 0.025 15.852 ± 0.017 15.407 ± 0.020

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 20140719114908 17.839 ± 0.080 0,0 5 2
g 20140722114132 17.769 ± 0.069 0,0 5 2
g 20140729111106 17.767 ± 0.064 0,0 5 2
g 20160420170043 18.057 ± 0.131 0,0 5 2
g 20190505165725 17.864 ± 0.027 1,0 100 2
g 20190506165109 17.863 ± 0.027 1,0 100 2
g 20190507143127 17.870 ± 0.027 1,0 100 2
g 20190822094124 17.859 ± 0.034 3,0 100 2
g 20210407183532 17.950 ± 0.107 512,0 5 2
r 20140719114939 16.822 ± 0.050 0,0 5 2
r 20140722114203 16.795 ± 0.044 0,0 5 2
r 20140729111131 16.767 ± 0.041 0,0 5 2
r 20160420170109 16.802 ± 0.055 0,0 5 2
r 20190505165926 16.814 ± 0.033 1,0 100 2
r 20190506165309 16.825 ± 0.027 1,0 100 2
r 20190507143327 16.820 ± 0.030 3,0 100 2
r 20190822094324 16.815 ± 0.032 3,0 100 2
r 20210407183558 16.774 ± 0.058 0,0 5 2
i 20140719115004 15.932 ± 0.033 0,0 10 2
i 20140722114229 15.926 ± 0.035 0,0 10 2
i 20140729111202 15.947 ± 0.032 0,0 10 2
i 20150901084153 15.930 ± 0.029 1,0 100 2
i 20150901084554 15.934 ± 0.030 1,0 100 2
i 20160420170134 15.904 ± 0.035 0,3 10 2
i 20180605124636 15.925 ± 0.041 0,0 10 2
i 20190419150817 15.932 ± 0.039 3,0 100 2
i 20190505170526 15.938 ± 0.028 1,0 100 2
i 20190508164002 15.945 ± 0.030 3,1 100 2
i 20190720124743 15.935 ± 0.051 3,0 100 2
i 20210407183626 15.964 ± 0.043 0,0 10 2
z 20140719115035 15.442 ± 0.032 0,0 20 2
z 20140722114259 15.443 ± 0.033 0,0 20 2
z 20140729111235 15.448 ± 0.029 0,0 20 2
z 20150901084353 15.451 ± 0.027 0,0 100 2
z 20150901084754 15.45 ± 0.028 0,0 100 2
z 20160420170204 15.458 ± 0.031 0,0 20 2
z 20180605124707 15.424 ± 0.039 0,0 20 2
z 20190419151018 15.453 ± 0.036 19,0 100 2
z 20190505170726 15.427 ± 0.030 0,0 100 2
z 20190508164202 15.459 ± 0.028 1,0 100 2
z 20190720124943 15.447 ± 0.049 3,0 100 2
z 20210407183658 15.443 ± 0.040 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.17 3.04
GAIA source ID 4120932025713682176 4120932030062793600
Bp mag. 17.696 20.206
G mag. 16.602 19.664
Rp mag. 15.577 18.471
Bp/Rp excess 1.347 1.703
Parallax (mas) 0.217 ± 0.058 0.003 ± 0.380
PM RA (mas/yr) -3.153 ± 0.074 -5.864 ± 0.476
PM Dec (mas/yr) -3.979 ± 0.049 -2.690 ± 0.318
A.E.N. (mas) 0.0 ± 0.0 0.0 ± 0.000

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.250 ± 0.004
r 16.861 ± 0.002
i 16.125 ± 0.003
z 15.677 ± 0.002
Y -- ± --
J 14.049 ± 0.032
H 13.283 ± 0.032
K 13.027 ± 0.03
W1 12.783 ± 0.028
W2 13.055 ± 0.036
W3 12.291 ± --
W4 8.685 ± --
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.