Exposure
- ID
- GRAVI.2025-05-13T04:54:43.489_2
- Header ID
- GRAVI.2025-05-13T04:54:43.489
- Date updated
- 2025-05-13 06:56:31 UTC+0000
- Release date
- 2026-05-13 06:56:30 UTC+0000
- UTC Start
- 2025-05-13 04:54:43.489
- UTC End
- 2025-05-13 05:00:43.489
- MJD Start
- 60808.20467001
- MJD End
- 60808.20883667667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0066064999999999995
- Ambient temperature (°C)
- 16.95
- Seeing (arcsec)
- 0.54
Observation
- ID
- 67241
- Category
- science
- Program ID
- 115.27WT.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 / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
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 | 56.3520 | 56.3720 | 9.9000 | 10.7000 |
| U1-U3 | 101.4540 | 101.5470 | 15.5000 | 16.4000 |
| U1-U4 | 122.4090 | 123.1260 | 41.6430 | 42.7940 |
| U2-U3 | 45.7060 | 45.7930 | 22.4000 | 23.4000 |
| U2-U4 | 80.2100 | 81.0640 | 63.3680 | 64.4470 |
| U3-U4 | 54.6560 | 55.3780 | 96.6290 | 97.3190 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60808.20467001 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41622 |
| DEC | -29.00743 |
| 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 | 56.352 |
| HIERARCH ESO ISS PBL12 END | 56.372 |
| HIERARCH ESO ISS PBLA12 START | 9.9 |
| HIERARCH ESO ISS PBLA12 END | 10.7 |
| HIERARCH ESO ISS PBL13 START | 101.454 |
| HIERARCH ESO ISS PBL13 END | 101.547 |
| HIERARCH ESO ISS PBLA13 START | 15.5 |
| HIERARCH ESO ISS PBLA13 END | 16.4 |
| HIERARCH ESO ISS PBL14 START | 122.409 |
| HIERARCH ESO ISS PBL14 END | 123.126 |
| HIERARCH ESO ISS PBLA14 START | 41.643 |
| HIERARCH ESO ISS PBLA14 END | 42.794 |
| HIERARCH ESO ISS PBL23 START | 45.706 |
| HIERARCH ESO ISS PBL23 END | 45.793 |
| HIERARCH ESO ISS PBLA23 START | 22.4 |
| HIERARCH ESO ISS PBLA23 END | 23.4 |
| HIERARCH ESO ISS PBL24 START | 80.21 |
| HIERARCH ESO ISS PBL24 END | 81.064 |
| HIERARCH ESO ISS PBLA24 START | 63.368 |
| HIERARCH ESO ISS PBLA24 END | 64.447 |
| HIERARCH ESO ISS PBL34 START | 54.656 |
| HIERARCH ESO ISS PBL34 END | 55.378 |
| HIERARCH ESO ISS PBLA34 START | 96.629 |
| HIERARCH ESO ISS PBLA34 END | 97.319 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006707 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006506 |
| HIERARCH ESO ISS AMBI TEMP | 16.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |