Exposure
ID
GRAVI.2025-06-18T05:11:51.066_1
Header ID
GRAVI.2025-06-18T05:11:51.066
Date updated
2025-06-18 05:26:51 UTC+0000
Release date
2026-06-18 05:26:51 UTC+0000
UTC Start
2025-06-18 05:11:51.066
UTC End
2025-06-18 05:14:31.066
MJD Start
60844.21656326
MJD End
60844.218415111856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0028055
Ambient temperature (°C)
6.43
Seeing (arcsec)
0.79
Observation
ID
67611
Category
science
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
50282
Name
FR_Sct
RA
275.842687
DEC
-12.68106
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.3380 90.2690 115.0000 115.2000
A0-J2 129.2020 129.2290 92.3000 92.5000
A0-K0 127.3600 127.5010 70.9400 71.1240
G1-J2 57.6090 57.6940 55.1000 55.3000
G1-K0 88.6480 88.7460 25.7630 26.0570
J2-K0 47.6800 47.6580 349.4640 349.7710
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60844.21656326
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V FR Sct
HIERARCH ESO INS SOBJ NAME FR_Sct
RA 275.842687
DEC -12.68106
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.338
HIERARCH ESO ISS PBL12 END 90.269
HIERARCH ESO ISS PBLA12 START 115.0
HIERARCH ESO ISS PBLA12 END 115.2
HIERARCH ESO ISS PBL13 START 129.202
HIERARCH ESO ISS PBL13 END 129.229
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 127.36
HIERARCH ESO ISS PBL14 END 127.501
HIERARCH ESO ISS PBLA14 START 70.94
HIERARCH ESO ISS PBLA14 END 71.124
HIERARCH ESO ISS PBL23 START 57.609
HIERARCH ESO ISS PBL23 END 57.694
HIERARCH ESO ISS PBLA23 START 55.1
HIERARCH ESO ISS PBLA23 END 55.3
HIERARCH ESO ISS PBL24 START 88.648
HIERARCH ESO ISS PBL24 END 88.746
HIERARCH ESO ISS PBLA24 START 25.763
HIERARCH ESO ISS PBLA24 END 26.057
HIERARCH ESO ISS PBL34 START 47.68
HIERARCH ESO ISS PBL34 END 47.658
HIERARCH ESO ISS PBLA34 START 349.464
HIERARCH ESO ISS PBLA34 END 349.771
HIERARCH ESO ISS AMBI TAU0 START 0.002861
HIERARCH ESO ISS AMBI TAU0 END 0.00275
HIERARCH ESO ISS AMBI TEMP 6.43
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.83