Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179827181 (SMSS J172512.40-203725.4)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.3014
Dec (deg)-20.6236
Galactic lon. (deg)4.5503
Galactic lat. (deg)8.3635
E(B-V) (SFD98) (mag)0.622
E(B-V) (GNILC) (mag)0.483 ± 0.020
Nearest DR4 source 179827183 (4.9 arcs away)
2nd-nearest DR4 source 179827182 (5.4 arcs away)
3rd-nearest DR4 source 179827173 (10.0 arcs away)
Times observed25
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.286 ± 0.167 17.970 ± 0.111 17.494 ± 0.029 17.202 ± 0.034
Petrosian mag. 18.094 ± 0.136 17.329 ± 0.140 17.112 ± 0.064 17.092 ± 0.071

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 19.099 ± 0.049 1,0 100 2
g 20190506165109 18.842 ± 0.038 2,0 100 2
g 20190822094124 19.016 ± 0.051 1,0 100 2
r 20140722114203 18.133 ± 0.121 0,0 5 2
r 20190505165926 18.283 ± 0.049 1,0 100 2
r 20190506165309 18.040 ± 0.037 3,0 100 2
r 20190822094324 18.215 ± 0.046 1,0 100 2
i 20140719115004 17.567 ± 0.096 16,0 10 2
i 20140722114229 17.474 ± 0.084 0,0 10 2
i 20150901084153 17.406 ± 0.040 0,0 100 2
i 20160420170134 17.684 ± 0.118 0,0 10 2
i 20190505170526 17.409 ± 0.040 0,0 100 2
i 20190508164002 17.485 ± 0.052 0,0 100 2
i 20190509140533 17.599 ± 0.052 0,0 100 2
i 20190720124743 17.513 ± 0.062 0,0 100 2
i 20200513190610 17.566 ± 0.056 0,0 100 2
i 20210407183626 17.593 ± 0.118 0,0 10 2
z 20140719115035 17.267 ± 0.105 16,0 20 2
z 20140722114259 17.165 ± 0.080 0,0 20 2
z 20150901084353 17.113 ± 0.047 0,0 100 2
z 20160420170204 17.297 ± 0.109 0,0 20 2
z 20190505170726 17.116 ± 0.051 0,0 100 2
z 20190508164202 17.202 ± 0.057 0,0 100 2
z 20190509140733 17.274 ± 0.065 0,0 100 2
z 20190720124943 17.226 ± 0.067 0,0 100 2
z 20200513190811 17.364 ± 0.084 0,0 100 2
z 20210407183658 17.354 ± 0.130 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 1.04 2.14
GAIA source ID 4121139116167494016 4121139116167493888
Bp mag. 18.835 --
G mag. 18.087 20.309
Rp mag. 17.137 --
Bp/Rp excess 1.375 --
Parallax (mas) 0.072 ± 0.128 -- ± --
PM RA (mas/yr) -5.614 ± 0.153 -- ± --
PM Dec (mas/yr) -4.278 ± 0.104 -- ± --
A.E.N. (mas) 0.0 ± 0.0 1.717 ± 1.255

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.184 ± 0.007
r 18.156 ± 0.003
i 17.658 ± 0.006
z 17.359 ± 0.006
Y -- ± --
J 15.818 ± 0.009
H -- ± --
K 15.074 ± 0.015
W1 14.787 ± 0.017
W2 14.808 ± 0.031
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.