Exposure
ID
GRAVI.2025-04-05T07:48:43.589_1
Header ID
GRAVI.2025-04-05T07:48:43.589
Date updated
2025-04-05 08:00:33 UTC+0000
Release date
2025-04-05 07:48:43 UTC+0000
UTC Start
2025-04-05 07:48:43.589
UTC End
2025-04-05 07:51:55.589
MJD Start
60770.3255045
MJD End
60770.32772672222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.007167
Ambient temperature (°C)
14.44
Seeing (arcsec)
0.5
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 23.1920 23.3020 131.9000 132.0000
A0-D0 27.5070 27.6920 50.1000 50.8000
A0-C1 19.0620 19.2350 103.5040 103.7550
B2-D0 33.3530 33.3640 6.6000 7.1000
B2-C1 11.1110 11.1150 6.5740 7.1080
D0-C1 22.2420 22.2490 186.6280 187.1630
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 60770.3255045
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 23.192
HIERARCH ESO ISS PBL12 END 23.302
HIERARCH ESO ISS PBLA12 START 131.9
HIERARCH ESO ISS PBLA12 END 132.0
HIERARCH ESO ISS PBL13 START 27.507
HIERARCH ESO ISS PBL13 END 27.692
HIERARCH ESO ISS PBLA13 START 50.1
HIERARCH ESO ISS PBLA13 END 50.8
HIERARCH ESO ISS PBL14 START 19.062
HIERARCH ESO ISS PBL14 END 19.235
HIERARCH ESO ISS PBLA14 START 103.504
HIERARCH ESO ISS PBLA14 END 103.755
HIERARCH ESO ISS PBL23 START 33.353
HIERARCH ESO ISS PBL23 END 33.364
HIERARCH ESO ISS PBLA23 START 6.6
HIERARCH ESO ISS PBLA23 END 7.1
HIERARCH ESO ISS PBL24 START 11.111
HIERARCH ESO ISS PBL24 END 11.115
HIERARCH ESO ISS PBLA24 START 6.574
HIERARCH ESO ISS PBLA24 END 7.108
HIERARCH ESO ISS PBL34 START 22.242
HIERARCH ESO ISS PBL34 END 22.249
HIERARCH ESO ISS PBLA34 START 186.628
HIERARCH ESO ISS PBLA34 END 187.163
HIERARCH ESO ISS AMBI TAU0 START 0.007301
HIERARCH ESO ISS AMBI TAU0 END 0.007033
HIERARCH ESO ISS AMBI TEMP 14.44
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.56