Exposure
ID
GRAVI.2024-03-28T00:43:41.710_1
Header ID
GRAVI.2024-03-28T00:43:41.710
Date updated
2024-03-28 00:55:31 UTC+0000
Release date
2025-03-28 00:55:30 UTC+0000
UTC Start
2024-03-28 00:43:41.710
UTC End
2024-03-28 00:47:41.710
MJD Start
60397.03034386
MJD End
60397.0331216378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0066535
Ambient temperature (°C)
12.84
Seeing (arcsec)
0.66
Observation
ID
58847
Category
science
Program ID
113.26BL.002
Program Title
GREYS: A GRAVITY/VLTI SURVEY OF ERUPTIVE YOUNG STARS: THE SUMMER TARGETS
Program Type
Normal
PI / COI
LYKOU / ABRAHAM / KOSPAL / VARGA / CHEN / CRUZ-SAENZ DE MIERA / HENNING / BRANDNER
Target
ID
43568
Name
V646Pup
RA
117.650522
DEC
-33.10636
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 55.5120 55.4260 29.9000 30.4000
U1-U3 100.4590 100.2700 36.4000 36.8000
U1-U4 127.9950 127.6460 64.9440 65.4520
U2-U3 45.7280 45.6260 44.2000 44.7000
U2-U4 88.4680 88.2550 86.0480 86.6200
U3-U4 62.3500 62.2890 115.3220 115.9290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BL.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60397.03034386
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V V646 Pup
HIERARCH ESO INS SOBJ NAME V646Pup
RA 117.650522
DEC -33.10636
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 55.512
HIERARCH ESO ISS PBL12 END 55.426
HIERARCH ESO ISS PBLA12 START 29.9
HIERARCH ESO ISS PBLA12 END 30.4
HIERARCH ESO ISS PBL13 START 100.459
HIERARCH ESO ISS PBL13 END 100.27
HIERARCH ESO ISS PBLA13 START 36.4
HIERARCH ESO ISS PBLA13 END 36.8
HIERARCH ESO ISS PBL14 START 127.995
HIERARCH ESO ISS PBL14 END 127.646
HIERARCH ESO ISS PBLA14 START 64.944
HIERARCH ESO ISS PBLA14 END 65.452
HIERARCH ESO ISS PBL23 START 45.728
HIERARCH ESO ISS PBL23 END 45.626
HIERARCH ESO ISS PBLA23 START 44.2
HIERARCH ESO ISS PBLA23 END 44.7
HIERARCH ESO ISS PBL24 START 88.468
HIERARCH ESO ISS PBL24 END 88.255
HIERARCH ESO ISS PBLA24 START 86.048
HIERARCH ESO ISS PBLA24 END 86.62
HIERARCH ESO ISS PBL34 START 62.35
HIERARCH ESO ISS PBL34 END 62.289
HIERARCH ESO ISS PBLA34 START 115.322
HIERARCH ESO ISS PBLA34 END 115.929
HIERARCH ESO ISS AMBI TAU0 START 0.006147
HIERARCH ESO ISS AMBI TAU0 END 0.00716
HIERARCH ESO ISS AMBI TEMP 12.84
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.59