Exposure
- ID
- GRAVI.2025-05-13T04:00:04.350_1
- Header ID
- GRAVI.2025-05-13T04:00:04.350
- Date updated
- 2025-05-13 06:51:34 UTC+0000
- Release date
- 2026-05-13 06:51:33 UTC+0000
- UTC Start
- 2025-05-13 04:00:04.350
- UTC End
- 2025-05-13 04:06:04.350
- MJD Start
- 60808.16671701
- MJD End
- 60808.17088367666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0074005
- Ambient temperature (°C)
- 16.99
- Seeing (arcsec)
- 0.495
Observation
- ID
- 67309
- 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
- 50050
- Name
- SGRA
- RA
- 266.416222
- DEC
- -29.0074
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2330 | 56.2400 | 2.0000 | 3.0000 |
| U1-U3 | 100.7960 | 100.8530 | 6.9000 | 7.9000 |
| U1-U4 | 115.9910 | 116.7450 | 30.7590 | 32.1520 |
| U2-U3 | 45.0220 | 45.0920 | 13.0000 | 14.2000 |
| U2-U4 | 71.9580 | 73.0000 | 52.8300 | 54.2250 |
| U3-U4 | 47.2070 | 48.2040 | 90.4800 | 91.2480 |
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 | 60808.16671701 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416222 |
| DEC | -29.0074 |
| 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 | 56.233 |
| HIERARCH ESO ISS PBL12 END | 56.24 |
| HIERARCH ESO ISS PBLA12 START | 2.0 |
| HIERARCH ESO ISS PBLA12 END | 3.0 |
| HIERARCH ESO ISS PBL13 START | 100.796 |
| HIERARCH ESO ISS PBL13 END | 100.853 |
| HIERARCH ESO ISS PBLA13 START | 6.9 |
| HIERARCH ESO ISS PBLA13 END | 7.9 |
| HIERARCH ESO ISS PBL14 START | 115.991 |
| HIERARCH ESO ISS PBL14 END | 116.745 |
| HIERARCH ESO ISS PBLA14 START | 30.759 |
| HIERARCH ESO ISS PBLA14 END | 32.152 |
| HIERARCH ESO ISS PBL23 START | 45.022 |
| HIERARCH ESO ISS PBL23 END | 45.092 |
| HIERARCH ESO ISS PBLA23 START | 13.0 |
| HIERARCH ESO ISS PBLA23 END | 14.2 |
| HIERARCH ESO ISS PBL24 START | 71.958 |
| HIERARCH ESO ISS PBL24 END | 73.0 |
| HIERARCH ESO ISS PBLA24 START | 52.83 |
| HIERARCH ESO ISS PBLA24 END | 54.225 |
| HIERARCH ESO ISS PBL34 START | 47.207 |
| HIERARCH ESO ISS PBL34 END | 48.204 |
| HIERARCH ESO ISS PBLA34 START | 90.48 |
| HIERARCH ESO ISS PBLA34 END | 91.248 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007769 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007032 |
| HIERARCH ESO ISS AMBI TEMP | 16.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |