Exposure
ID
GRAVI.2025-03-06T01:14:05.605_1
Header ID
GRAVI.2025-03-06T01:14:05.605
Date updated
2025-03-06 01:25:41 UTC+0000
Release date
2025-03-06 01:14:05 UTC+0000
UTC Start
2025-03-06 01:14:05.605
UTC End
2025-03-06 01:16:45.605
MJD Start
60740.05145376
MJD End
60740.05330561186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006156
Ambient temperature (°C)
15.07
Seeing (arcsec)
0.575
Observation
ID
64979
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
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
48388
Name
bet_Vol
RA
126.428157
DEC
-66.13774
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 20.3920 20.4710 123.7000 124.3000
A0-D0 31.7610 31.7380 62.8000 63.6000
A0-C1 20.8970 20.9500 97.4230 98.2240
B2-D0 28.1760 28.1270 23.6000 24.2000
B2-C1 9.3830 9.3670 23.5490 24.1470
D0-C1 18.7930 18.7600 203.6170 204.2160
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 60740.05145376
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME bet Vol
HIERARCH ESO INS SOBJ NAME bet_Vol
RA 126.428157
DEC -66.13774
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 216.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 160
HIERARCH ESO ISS PBL12 START 20.392
HIERARCH ESO ISS PBL12 END 20.471
HIERARCH ESO ISS PBLA12 START 123.7
HIERARCH ESO ISS PBLA12 END 124.3
HIERARCH ESO ISS PBL13 START 31.761
HIERARCH ESO ISS PBL13 END 31.738
HIERARCH ESO ISS PBLA13 START 62.8
HIERARCH ESO ISS PBLA13 END 63.6
HIERARCH ESO ISS PBL14 START 20.897
HIERARCH ESO ISS PBL14 END 20.95
HIERARCH ESO ISS PBLA14 START 97.423
HIERARCH ESO ISS PBLA14 END 98.224
HIERARCH ESO ISS PBL23 START 28.176
HIERARCH ESO ISS PBL23 END 28.127
HIERARCH ESO ISS PBLA23 START 23.6
HIERARCH ESO ISS PBLA23 END 24.2
HIERARCH ESO ISS PBL24 START 9.383
HIERARCH ESO ISS PBL24 END 9.367
HIERARCH ESO ISS PBLA24 START 23.549
HIERARCH ESO ISS PBLA24 END 24.147
HIERARCH ESO ISS PBL34 START 18.793
HIERARCH ESO ISS PBL34 END 18.76
HIERARCH ESO ISS PBLA34 START 203.617
HIERARCH ESO ISS PBLA34 END 204.216
HIERARCH ESO ISS AMBI TAU0 START 0.007375
HIERARCH ESO ISS AMBI TAU0 END 0.004937
HIERARCH ESO ISS AMBI TEMP 15.07
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.65