Exposure
ID
GRAVI.2025-01-02T01:00:18.008_1
Header ID
GRAVI.2025-01-02T01:00:18.008
Date updated
2025-01-02 01:10:47 UTC+0000
Release date
2025-01-02 01:00:18 UTC+0000
UTC Start
2025-01-02 01:00:18.008
UTC End
2025-01-02 01:02:58.008
MJD Start
60677.04187509
MJD End
60677.043726941854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.009853
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.635
Observation
ID
63051
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKý / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
46966
Name
HD_39685
RA
88.564891
DEC
3.22535
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6570 48.6570 143.2000 143.2000
A0-J2 97.8500 98.9290 96.2000 96.1000
A0-J6 133.5060 133.6370 5.2980 5.8350
B5-J2 73.8250 74.8280 67.4000 67.6000
B5-J6 172.7170 172.5890 354.4130 354.8190
J2-J6 166.7360 166.5990 329.3750 329.4140
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60677.04187509
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 39685
HIERARCH ESO INS SOBJ NAME HD_39685
RA 88.564891
DEC 3.22535
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 48.657
HIERARCH ESO ISS PBL12 END 48.657
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 97.85
HIERARCH ESO ISS PBL13 END 98.929
HIERARCH ESO ISS PBLA13 START 96.2
HIERARCH ESO ISS PBLA13 END 96.1
HIERARCH ESO ISS PBL14 START 133.506
HIERARCH ESO ISS PBL14 END 133.637
HIERARCH ESO ISS PBLA14 START 5.298
HIERARCH ESO ISS PBLA14 END 5.835
HIERARCH ESO ISS PBL23 START 73.825
HIERARCH ESO ISS PBL23 END 74.828
HIERARCH ESO ISS PBLA23 START 67.4
HIERARCH ESO ISS PBLA23 END 67.6
HIERARCH ESO ISS PBL24 START 172.717
HIERARCH ESO ISS PBL24 END 172.589
HIERARCH ESO ISS PBLA24 START 354.413
HIERARCH ESO ISS PBLA24 END 354.819
HIERARCH ESO ISS PBL34 START 166.736
HIERARCH ESO ISS PBL34 END 166.599
HIERARCH ESO ISS PBLA34 START 329.375
HIERARCH ESO ISS PBLA34 END 329.414
HIERARCH ESO ISS AMBI TAU0 START 0.009967
HIERARCH ESO ISS AMBI TAU0 END 0.009739
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.64