Summary Page for A Rich Population of Massive Young Stars in the Cluster Westerlund 1
A Rich Population of Massive Young Stars in the Cluster Westerlund 1

Target: Westerlund1

Chandra
X-ray
Center

PI: Dr. Stephen Skinner 
Seq Num: 200344
Obs ID: 6283
Instrument: ACIS




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Level 1 Parameters
Level 2 Parameters

Level 1 Parameters
Parameter Value Description
ASCDSVER 7.6.7 ASCDS version number
DATE 2006-03-04T05:13:18 Date and time of file creation
DATE-OBS 2005-05-22T20:38:39 Observation start date
DATE-END 2005-05-23T02:26:39 Observation end date
RA_PNT 251.78581764716 Pointing RA
DEC_PNT -45.840946566022 Pointing Dec
ROLL_PNT 25.564598863135 Pointing Roll
RA_TARG 251.7725 Observer's specified target RA
DEC_TARG -45.843528 Observer's specified target Dec
DATAMODE FAINT Data mode
READMODE TIMED Read mode
FP_TEMP 153.60722351 Focal Plane Temperature [K]
FSW_VERS 31 ACIS flight software version number



Level 2 Parameters
Parameter Value Description
ASCDSVER 7.6.7 ASCDS version number
DATE 2006-03-04T05:44:02 Date and time of file creation
DATE-OBS 2005-05-22T20:38:39 Observation start date
DATE-END 2005-05-23T02:26:39 Observation end date
INSTRUME ACIS Instrument
DETNAM ACIS-234678 Detector
GRATING NONE Grating
OBJECT Westerlund1 Source name
TITLE A Rich Population of Massive Young Stars in the Cluster Westerlund 1  
OBSERVER Dr. Stephen Skinner Principal investigator
OBS_ID 6283 Observation id
SEQ_NUM 200344 Sequence number
RA_NOM 251.78581764716 Nominal RA
DEC_NOM -45.840946566022 Nominal Dec
ROLL_NOM 25.564598863135 Nominal Roll