Exposure
- ID
- GRAVI.2025-06-10T03:48:44.251_2
- Header ID
- GRAVI.2025-06-10T03:48:44.251
- Date updated
- 2025-06-10 04:05:45 UTC+0000
- Release date
- 2026-06-10 04:05:44 UTC+0000
- UTC Start
- 2025-06-10 03:48:44.251
- UTC End
- 2025-06-10 03:54:44.251
- MJD Start
- 60836.1588455
- MJD End
- 60836.16301216667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050620000000000005
- Ambient temperature (°C)
- 13.53
- Seeing (arcsec)
- 0.7250000000000001
Observation
- ID
- 67873
- Category
- science
- Program ID
- 115.27WT.002
- 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 | 56.4940 | 56.5110 | 15.9000 | 16.7000 |
| U1-U3 | 102.0700 | 102.1460 | 21.9000 | 22.8000 |
| U1-U4 | 126.8430 | 127.3740 | 49.0310 | 50.0210 |
| U2-U3 | 46.2650 | 46.3340 | 29.2000 | 30.1000 |
| U2-U4 | 85.3530 | 85.9530 | 70.2650 | 71.1920 |
| U3-U4 | 58.9140 | 59.4000 | 101.3220 | 102.0110 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60836.1588455 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41653 |
| DEC | -29.00738 |
| 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 | 56.494 |
| HIERARCH ESO ISS PBL12 END | 56.511 |
| HIERARCH ESO ISS PBLA12 START | 15.9 |
| HIERARCH ESO ISS PBLA12 END | 16.7 |
| HIERARCH ESO ISS PBL13 START | 102.07 |
| HIERARCH ESO ISS PBL13 END | 102.146 |
| HIERARCH ESO ISS PBLA13 START | 21.9 |
| HIERARCH ESO ISS PBLA13 END | 22.8 |
| HIERARCH ESO ISS PBL14 START | 126.843 |
| HIERARCH ESO ISS PBL14 END | 127.374 |
| HIERARCH ESO ISS PBLA14 START | 49.031 |
| HIERARCH ESO ISS PBLA14 END | 50.021 |
| HIERARCH ESO ISS PBL23 START | 46.265 |
| HIERARCH ESO ISS PBL23 END | 46.334 |
| HIERARCH ESO ISS PBLA23 START | 29.2 |
| HIERARCH ESO ISS PBLA23 END | 30.1 |
| HIERARCH ESO ISS PBL24 START | 85.353 |
| HIERARCH ESO ISS PBL24 END | 85.953 |
| HIERARCH ESO ISS PBLA24 START | 70.265 |
| HIERARCH ESO ISS PBLA24 END | 71.192 |
| HIERARCH ESO ISS PBL34 START | 58.914 |
| HIERARCH ESO ISS PBL34 END | 59.4 |
| HIERARCH ESO ISS PBLA34 START | 101.322 |
| HIERARCH ESO ISS PBLA34 END | 102.011 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004822 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005302 |
| HIERARCH ESO ISS AMBI TEMP | 13.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |