Exposure
- ID
- GRAVI.2025-05-12T05:11:52.442_1
- Header ID
- GRAVI.2025-05-12T05:11:52.442
- Date updated
- 2025-05-12 19:45:47 UTC+0000
- Release date
- 2026-05-12 19:45:45 UTC+0000
- UTC Start
- 2025-05-12 05:11:52.442
- UTC End
- 2025-05-12 05:17:52.442
- MJD Start
- 60807.21657919
- MJD End
- 60807.22074585666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0072315
- Ambient temperature (°C)
- 17.59
- Seeing (arcsec)
- 0.48
Observation
- ID
- 67243
- 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
- 49985
- Name
- SGRA
- RA
- 266.416266
- DEC
- -29.00741
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3950 | 56.4170 | 11.7000 | 12.6000 |
| U1-U3 | 101.6460 | 101.7400 | 17.4000 | 18.4000 |
| U1-U4 | 123.8610 | 124.5390 | 43.9770 | 45.0820 |
| U2-U3 | 45.8840 | 45.9690 | 24.5000 | 25.5000 |
| U2-U4 | 81.9290 | 82.7180 | 65.5540 | 66.5840 |
| U3-U4 | 56.1020 | 56.7580 | 98.0410 | 98.7290 |
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 | 60807.21657919 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416266 |
| DEC | -29.00741 |
| 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 | 56.395 |
| HIERARCH ESO ISS PBL12 END | 56.417 |
| HIERARCH ESO ISS PBLA12 START | 11.7 |
| HIERARCH ESO ISS PBLA12 END | 12.6 |
| HIERARCH ESO ISS PBL13 START | 101.646 |
| HIERARCH ESO ISS PBL13 END | 101.74 |
| HIERARCH ESO ISS PBLA13 START | 17.4 |
| HIERARCH ESO ISS PBLA13 END | 18.4 |
| HIERARCH ESO ISS PBL14 START | 123.861 |
| HIERARCH ESO ISS PBL14 END | 124.539 |
| HIERARCH ESO ISS PBLA14 START | 43.977 |
| HIERARCH ESO ISS PBLA14 END | 45.082 |
| HIERARCH ESO ISS PBL23 START | 45.884 |
| HIERARCH ESO ISS PBL23 END | 45.969 |
| HIERARCH ESO ISS PBLA23 START | 24.5 |
| HIERARCH ESO ISS PBLA23 END | 25.5 |
| HIERARCH ESO ISS PBL24 START | 81.929 |
| HIERARCH ESO ISS PBL24 END | 82.718 |
| HIERARCH ESO ISS PBLA24 START | 65.554 |
| HIERARCH ESO ISS PBLA24 END | 66.584 |
| HIERARCH ESO ISS PBL34 START | 56.102 |
| HIERARCH ESO ISS PBL34 END | 56.758 |
| HIERARCH ESO ISS PBLA34 START | 98.041 |
| HIERARCH ESO ISS PBLA34 END | 98.729 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006742 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007721 |
| HIERARCH ESO ISS AMBI TEMP | 17.59 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |