Exposure
ID
GRAVI.2025-06-24T06:59:43.443_1
Header ID
GRAVI.2025-06-24T06:59:43.443
Date updated
2025-06-24 07:10:53 UTC+0000
Release date
2025-06-24 06:59:43 UTC+0000
UTC Start
2025-06-24 06:59:43.443
UTC End
2025-06-24 07:02:55.443
MJD Start
60850.29147503
MJD End
60850.29369725222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0024295000000000002
Ambient temperature (°C)
11.07
Seeing (arcsec)
0.76
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 24.5840 24.5500 157.1000 157.7000
A0-D0 29.0210 28.8210 81.4000 81.7000
A0-C1 20.9770 20.8810 130.6030 131.2040
B2-D0 33.0900 33.0250 35.3000 35.6000
B2-C1 11.0230 11.0010 35.2950 35.5100
D0-C1 22.0670 22.0230 215.3550 215.5700
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 60850.29147503
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 24.584
HIERARCH ESO ISS PBL12 END 24.55
HIERARCH ESO ISS PBLA12 START 157.1
HIERARCH ESO ISS PBLA12 END 157.7
HIERARCH ESO ISS PBL13 START 29.021
HIERARCH ESO ISS PBL13 END 28.821
HIERARCH ESO ISS PBLA13 START 81.4
HIERARCH ESO ISS PBLA13 END 81.7
HIERARCH ESO ISS PBL14 START 20.977
HIERARCH ESO ISS PBL14 END 20.881
HIERARCH ESO ISS PBLA14 START 130.603
HIERARCH ESO ISS PBLA14 END 131.204
HIERARCH ESO ISS PBL23 START 33.09
HIERARCH ESO ISS PBL23 END 33.025
HIERARCH ESO ISS PBLA23 START 35.3
HIERARCH ESO ISS PBLA23 END 35.6
HIERARCH ESO ISS PBL24 START 11.023
HIERARCH ESO ISS PBL24 END 11.001
HIERARCH ESO ISS PBLA24 START 35.295
HIERARCH ESO ISS PBLA24 END 35.51
HIERARCH ESO ISS PBL34 START 22.067
HIERARCH ESO ISS PBL34 END 22.023
HIERARCH ESO ISS PBLA34 START 215.355
HIERARCH ESO ISS PBLA34 END 215.57
HIERARCH ESO ISS AMBI TAU0 START 0.002321
HIERARCH ESO ISS AMBI TAU0 END 0.002538
HIERARCH ESO ISS AMBI TEMP 11.07
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.81