WD1657+343      FBS 589       PG          
                RX J          SDSS
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Finding Chart (Arizona's)

Coordinates          Spectral Class    Ref.
16 57 01   +34 23.3 (1950) DA1         (1P) 
16 58 51.1 +34 18 53(2000)             (83) 
                           DA2         (JV)N
                           DA.86       (PM)N
                           DA.96       (JE)N
                           DA          (MH)N

Wide Band         V     B-V    U-B   Ref.   
                             -1.219  (6B) 
                16.42                (NL)N

Multi Channel     v     g-r          Ref.

Stromgren         y     b-y    u-b   Ref.

SDSS   g    u-g   g-r   r-i    i-z   Ref.
     16.17 -0.40 -0.52               (PM)N
     16.17 -0.40 -0.52 -0.37 -0.31   (MH)N

Absolute mag     8.7  (0) 
                 9.49 (8) 
                 8.46(JE)N

Mu    Theta   Ref.    VR0    Ref.     PI    ME Ref.
0.034 158.1   (MH)N                                 
0.033 164.8   (QF)N                                 

WD1657+343 See also (OK)(JV)