Exposure
- ID
- GRAVI.2025-05-13T05:39:58.605_2
- Header ID
- GRAVI.2025-05-13T05:39:58.605
- 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 05:39:58.605
- UTC End
- 2025-05-13 05:45:58.605
- MJD Start
- 60808.23609496
- MJD End
- 60808.24026162666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007061
- Ambient temperature (°C)
- 16.94
- Seeing (arcsec)
- 0.5700000000000001
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 | 56.4970 | 56.5140 | 16.0000 | 16.9000 |
| U1-U3 | 102.0840 | 102.1590 | 22.0000 | 22.9000 |
| U1-U4 | 126.9410 | 127.4650 | 49.2070 | 50.1940 |
| U2-U3 | 46.2780 | 46.3460 | 29.4000 | 30.3000 |
| U2-U4 | 85.4640 | 86.0560 | 70.4300 | 71.3540 |
| U3-U4 | 59.0030 | 59.4830 | 101.4430 | 102.1320 |
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 | 60808.23609496 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416197 |
| 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 | 56.497 |
| HIERARCH ESO ISS PBL12 END | 56.514 |
| HIERARCH ESO ISS PBLA12 START | 16.0 |
| HIERARCH ESO ISS PBLA12 END | 16.9 |
| HIERARCH ESO ISS PBL13 START | 102.084 |
| HIERARCH ESO ISS PBL13 END | 102.159 |
| HIERARCH ESO ISS PBLA13 START | 22.0 |
| HIERARCH ESO ISS PBLA13 END | 22.9 |
| HIERARCH ESO ISS PBL14 START | 126.941 |
| HIERARCH ESO ISS PBL14 END | 127.465 |
| HIERARCH ESO ISS PBLA14 START | 49.207 |
| HIERARCH ESO ISS PBLA14 END | 50.194 |
| HIERARCH ESO ISS PBL23 START | 46.278 |
| HIERARCH ESO ISS PBL23 END | 46.346 |
| HIERARCH ESO ISS PBLA23 START | 29.4 |
| HIERARCH ESO ISS PBLA23 END | 30.3 |
| HIERARCH ESO ISS PBL24 START | 85.464 |
| HIERARCH ESO ISS PBL24 END | 86.056 |
| HIERARCH ESO ISS PBLA24 START | 70.43 |
| HIERARCH ESO ISS PBLA24 END | 71.354 |
| HIERARCH ESO ISS PBL34 START | 59.003 |
| HIERARCH ESO ISS PBL34 END | 59.483 |
| HIERARCH ESO ISS PBLA34 START | 101.443 |
| HIERARCH ESO ISS PBLA34 END | 102.132 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006056 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008066 |
| HIERARCH ESO ISS AMBI TEMP | 16.94 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| 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 |