Related systems 
        
            New
            Ongoing
            Finished
            Rejected
        
        
            
        
            
        
     
    
        Summary
        
            
                Basic Data 
                
                
                    
                    
                        | Name: | 
                        SDSSJ085900.32+023313.1 | 
                    
                    
                        | Coordinates: | 
                        08:59:00.33 (h:m:s) | 
                        +02:33:13.15 (°:':'') | 
                    
                    
                         | 
                        134.7514 (°) | 
                        +2.5537 (°) | 
                    
                    
                        | Classification: | 
                        sdOB | 
                    
                    
                        | Class. type: | 
                        Photometric | 
                    
                    
                        | Observing Status: | 
                        New | 
                    
                    
                
             
            
                Parameters
                visibility
                
                    
                        
                        
                            | Parameter | 
                            Value. | 
                        
                        
                        
                        
                            
                                | M_G (mag) | 
                                 3.79 ± 0.51  | 
                            
                        
                            
                                | parallax () | 
                                 0.378 ± 0.047  | 
                            
                        
                        
                        
                    
             
            
            
         
        
            
    
    
        visibility
        Observations
        
            Photometric observations: 18,
            Reduced spectroscopic observations: 4,
            Spectroscopic raw files: 0,
            Light curves: 1
        
        
            Photometric observations
            
            
                Spectroscopic observations
            
            
                
                    
                         Reduced spectra 
                        
                            
                            
                                | HJD | 
                                Date | 
                                Instrument | 
                                Resolution | 
                                Exp time (s) | 
                                SNR | 
                                Range (Å) | 
                            
                            
                            
                            
                                
                                    | 
                                        2452226.002
                                     | 
                                    2001-11-12 | 
                                    SDSS spectrograph @ SDSS 2.5-M | 
                                    1900  | 
                                    3003.0 | 
                                    NA | 
                                    3805 
                                        - 9202  | 
                                
                            
                                
                                    | 
                                        2454528.682
                                     | 
                                    2008-03-03 | 
                                    SDSS spectrograph @ SDSS 2.5-M | 
                                    1900  | 
                                    11806.0 | 
                                    NA | 
                                    3806 
                                        - 9194  | 
                                
                            
                                
                                    | 
                                        2455272.500
                                     | 
                                    2010-03-17 | 
                                    BOSS @ SDSS 2.5-M | 
                                    1900  | 
                                    9008.0 | 
                                    NA | 
                                    3581 
                                        - 10366  | 
                                
                            
                                
                                    | 
                                        2457482.065
                                     | 
                                    2016-04-03 | 
                                    LRS @ LAMOST | 
                                    1500  | 
                                    3891.0 | 
                                    NA | 
                                    3700 
                                        - 9093  | 
                                
                            
                            
                        
                     
                
                
             
            
                Light curves
            
            
                
                    
                         Light curves 
                        
                            
                            
                                | HJD | 
                                Date | 
                                
                                Passband | 
                                Exptime (s) | 
                                Duration (h) | 
                            
                            
                            
                            
                                
                                    | 
                                        2458529.671
                                     | 
                                    2019-02-15 | 
                                    
                                    TESS.RED | 
                                    120.0 | 
                                    591.8 |