Exposure
- ID
- GRAVI.2025-03-16T08:05:31.381_2
- Header ID
- GRAVI.2025-03-16T08:05:31.381
- Date updated
- 2025-03-16 08:20:33 UTC+0000
- Release date
- 2026-03-16 08:20:33 UTC+0000
- UTC Start
- 2025-03-16 08:05:31.381
- UTC End
- 2025-03-16 08:11:31.381
- MJD Start
- 60750.33716876
- MJD End
- 60750.34133542667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0071515
- Ambient temperature (°C)
- 13.44
- Seeing (arcsec)
- 0.6399999999999999
Observation
- ID
- 65080
- Category
- science
- Program ID
- 114.270V.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROU
Target
- ID
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2560 | 56.2690 | 4.5000 | 5.5000 |
| U1-U3 | 100.9660 | 101.0410 | 9.7000 | 10.7000 |
| U1-U4 | 118.0410 | 118.8150 | 34.4480 | 35.7710 |
| U2-U3 | 45.2190 | 45.3000 | 16.1000 | 17.2000 |
| U2-U4 | 74.7380 | 75.7470 | 56.4900 | 57.7770 |
| U3-U4 | 49.8260 | 50.7470 | 92.5190 | 93.2560 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60750.33716876 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417536 |
| DEC | -29.00719 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.256 |
| HIERARCH ESO ISS PBL12 END | 56.269 |
| HIERARCH ESO ISS PBLA12 START | 4.5 |
| HIERARCH ESO ISS PBLA12 END | 5.5 |
| HIERARCH ESO ISS PBL13 START | 100.966 |
| HIERARCH ESO ISS PBL13 END | 101.041 |
| HIERARCH ESO ISS PBLA13 START | 9.7 |
| HIERARCH ESO ISS PBLA13 END | 10.7 |
| HIERARCH ESO ISS PBL14 START | 118.041 |
| HIERARCH ESO ISS PBL14 END | 118.815 |
| HIERARCH ESO ISS PBLA14 START | 34.448 |
| HIERARCH ESO ISS PBLA14 END | 35.771 |
| HIERARCH ESO ISS PBL23 START | 45.219 |
| HIERARCH ESO ISS PBL23 END | 45.3 |
| HIERARCH ESO ISS PBLA23 START | 16.1 |
| HIERARCH ESO ISS PBLA23 END | 17.2 |
| HIERARCH ESO ISS PBL24 START | 74.738 |
| HIERARCH ESO ISS PBL24 END | 75.747 |
| HIERARCH ESO ISS PBLA24 START | 56.49 |
| HIERARCH ESO ISS PBLA24 END | 57.777 |
| HIERARCH ESO ISS PBL34 START | 49.826 |
| HIERARCH ESO ISS PBL34 END | 50.747 |
| HIERARCH ESO ISS PBLA34 START | 92.519 |
| HIERARCH ESO ISS PBLA34 END | 93.256 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0072 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007103 |
| HIERARCH ESO ISS AMBI TEMP | 13.44 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |