Exposure
ID
GRAVI.2025-05-19T09:57:21.890_1
Header ID
GRAVI.2025-05-19T09:57:21.890
Date updated
2025-05-19 10:10:49 UTC+0000
Release date
2025-05-19 09:57:21 UTC+0000
UTC Start
2025-05-19 09:57:21.890
UTC End
2025-05-19 10:00:33.890
MJD Start
60814.41483669
MJD End
60814.41705891222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005331000000000001
Ambient temperature (°C)
12.59
Seeing (arcsec)
0.625
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 24.2590 24.2290 162.9000 163.5000
A0-D0 26.7970 26.5380 84.5000 84.8000
A0-C1 19.9810 19.8740 136.9650 137.6730
B2-D0 32.3270 32.2330 37.2000 37.4000
B2-C1 10.7690 10.7380 37.1660 37.3240
D0-C1 21.5570 21.4950 217.2240 217.3820
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 60814.41483669
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 24.259
HIERARCH ESO ISS PBL12 END 24.229
HIERARCH ESO ISS PBLA12 START 162.9
HIERARCH ESO ISS PBLA12 END 163.5
HIERARCH ESO ISS PBL13 START 26.797
HIERARCH ESO ISS PBL13 END 26.538
HIERARCH ESO ISS PBLA13 START 84.5
HIERARCH ESO ISS PBLA13 END 84.8
HIERARCH ESO ISS PBL14 START 19.981
HIERARCH ESO ISS PBL14 END 19.874
HIERARCH ESO ISS PBLA14 START 136.965
HIERARCH ESO ISS PBLA14 END 137.673
HIERARCH ESO ISS PBL23 START 32.327
HIERARCH ESO ISS PBL23 END 32.233
HIERARCH ESO ISS PBLA23 START 37.2
HIERARCH ESO ISS PBLA23 END 37.4
HIERARCH ESO ISS PBL24 START 10.769
HIERARCH ESO ISS PBL24 END 10.738
HIERARCH ESO ISS PBLA24 START 37.166
HIERARCH ESO ISS PBLA24 END 37.324
HIERARCH ESO ISS PBL34 START 21.557
HIERARCH ESO ISS PBL34 END 21.495
HIERARCH ESO ISS PBLA34 START 217.224
HIERARCH ESO ISS PBLA34 END 217.382
HIERARCH ESO ISS AMBI TAU0 START 0.005124
HIERARCH ESO ISS AMBI TAU0 END 0.005538
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.64