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: 5411
Instrument: ACIS




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Level 1 Parameters
Level 2 Parameters

Level 1 Parameters
Parameter Value Description
ASCDSVER 7.6.7.1 ASCDS version number
DATE 2006-03-10T15:54:00 Date and time of file creation
DATE-OBS 2005-06-18T16:09:30 Observation start date
DATE-END 2005-06-19T03:23:38 Observation end date
RA_PNT 251.7824327616 Pointing RA
DEC_PNT -45.850259054687 Pointing Dec
ROLL_PNT 325.88125943381 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 7.6.7.1 ASCDS version number
DATE 2006-03-10T16:54:30 Date and time of file creation
DATE-OBS 2005-06-18T16:09:30 Observation start date
DATE-END 2005-06-19T03:23:38 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 5411 Observation id
SEQ_NUM 200344 Sequence number
RA_NOM 251.7824327616 Nominal RA
DEC_NOM -45.850259054687 Nominal Dec
ROLL_NOM 325.88125943381 Nominal Roll