Exposure
ID
GRAVI.2025-04-06T08:34:51.448_1
Header ID
GRAVI.2025-04-06T08:34:51.448
Date updated
2025-04-06 08:45:46 UTC+0000
Release date
2025-04-06 08:34:51 UTC+0000
UTC Start
2025-04-06 08:34:51.448
UTC End
2025-04-06 08:38:03.448
MJD Start
60771.35753991
MJD End
60771.359762132226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004092
Ambient temperature (°C)
13.12
Seeing (arcsec)
0.735
Observation
ID
66036
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING 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
49157
Name
HD_168592
RA
275.574244
DEC
-38.65706
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 23.2270 23.3200 131.4000 131.8000
A0-D0 31.3630 31.4280 56.7000 57.4000
A0-C1 20.8390 20.9460 102.5050 103.0090
B2-D0 33.7370 33.7250 15.1000 15.6000
B2-C1 11.2380 11.2340 15.0830 15.5770
D0-C1 22.4990 22.4910 195.1420 195.6360
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60771.35753991
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.574244
DEC -38.65706
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 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 23.227
HIERARCH ESO ISS PBL12 END 23.32
HIERARCH ESO ISS PBLA12 START 131.4
HIERARCH ESO ISS PBLA12 END 131.8
HIERARCH ESO ISS PBL13 START 31.363
HIERARCH ESO ISS PBL13 END 31.428
HIERARCH ESO ISS PBLA13 START 56.7
HIERARCH ESO ISS PBLA13 END 57.4
HIERARCH ESO ISS PBL14 START 20.839
HIERARCH ESO ISS PBL14 END 20.946
HIERARCH ESO ISS PBLA14 START 102.505
HIERARCH ESO ISS PBLA14 END 103.009
HIERARCH ESO ISS PBL23 START 33.737
HIERARCH ESO ISS PBL23 END 33.725
HIERARCH ESO ISS PBLA23 START 15.1
HIERARCH ESO ISS PBLA23 END 15.6
HIERARCH ESO ISS PBL24 START 11.238
HIERARCH ESO ISS PBL24 END 11.234
HIERARCH ESO ISS PBLA24 START 15.083
HIERARCH ESO ISS PBLA24 END 15.577
HIERARCH ESO ISS PBL34 START 22.499
HIERARCH ESO ISS PBL34 END 22.491
HIERARCH ESO ISS PBLA34 START 195.142
HIERARCH ESO ISS PBLA34 END 195.636
HIERARCH ESO ISS AMBI TAU0 START 0.00355
HIERARCH ESO ISS AMBI TAU0 END 0.004634
HIERARCH ESO ISS AMBI TEMP 13.12
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.69