Exposure
ID
GRAVI.2025-04-05T07:32:19.546_1
Header ID
GRAVI.2025-04-05T07:32:19.546
Date updated
2025-04-05 07:45:46 UTC+0000
Release date
2025-04-05 07:32:19 UTC+0000
UTC Start
2025-04-05 07:32:19.546
UTC End
2025-04-05 07:35:31.546
MJD Start
60770.31411512
MJD End
60770.31633734223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006815
Ambient temperature (°C)
14.46
Seeing (arcsec)
0.585
Observation
ID
66046
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
49165
Name
24_Sgr
RA
278.470409
DEC
-24.03232
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 22.6700 22.7930 131.4000 131.5000
A0-D0 26.6720 26.8620 46.9000 47.6000
A0-C1 18.2460 18.4370 102.4070 102.6520
B2-D0 33.3140 33.3210 4.2000 4.8000
B2-C1 11.0980 11.1010 4.1900 4.7300
D0-C1 22.2160 22.2210 184.2410 184.7820
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 60770.31411512
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME 24 Sgr
HIERARCH ESO INS SOBJ NAME 24_Sgr
RA 278.470409
DEC -24.03232
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 22.67
HIERARCH ESO ISS PBL12 END 22.793
HIERARCH ESO ISS PBLA12 START 131.4
HIERARCH ESO ISS PBLA12 END 131.5
HIERARCH ESO ISS PBL13 START 26.672
HIERARCH ESO ISS PBL13 END 26.862
HIERARCH ESO ISS PBLA13 START 46.9
HIERARCH ESO ISS PBLA13 END 47.6
HIERARCH ESO ISS PBL14 START 18.246
HIERARCH ESO ISS PBL14 END 18.437
HIERARCH ESO ISS PBLA14 START 102.407
HIERARCH ESO ISS PBLA14 END 102.652
HIERARCH ESO ISS PBL23 START 33.314
HIERARCH ESO ISS PBL23 END 33.321
HIERARCH ESO ISS PBLA23 START 4.2
HIERARCH ESO ISS PBLA23 END 4.8
HIERARCH ESO ISS PBL24 START 11.098
HIERARCH ESO ISS PBL24 END 11.101
HIERARCH ESO ISS PBLA24 START 4.19
HIERARCH ESO ISS PBLA24 END 4.73
HIERARCH ESO ISS PBL34 START 22.216
HIERARCH ESO ISS PBL34 END 22.221
HIERARCH ESO ISS PBLA34 START 184.241
HIERARCH ESO ISS PBLA34 END 184.782
HIERARCH ESO ISS AMBI TAU0 START 0.007459
HIERARCH ESO ISS AMBI TAU0 END 0.006171
HIERARCH ESO ISS AMBI TEMP 14.46
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.55