Exposure
- ID
- GRAVI.2025-06-10T05:38:29.530_2
- Header ID
- GRAVI.2025-06-10T05:38:29.530
- Date updated
- 2025-06-10 05:50:38 UTC+0000
- Release date
- 2026-06-10 05:50:38 UTC+0000
- UTC Start
- 2025-06-10 05:38:29.530
- UTC End
- 2025-06-10 05:44:29.530
- MJD Start
- 60836.23506401
- MJD End
- 60836.23923067666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004923500000000001
- Ambient temperature (°C)
- 12.8
- Seeing (arcsec)
- 0.7050000000000001
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 | 56.2010 | 56.1210 | 28.7000 | 29.3000 |
| U1-U3 | 101.7270 | 101.5440 | 35.1000 | 35.7000 |
| U1-U4 | 129.2460 | 128.8640 | 63.3070 | 64.0070 |
| U2-U3 | 46.2960 | 46.1940 | 42.8000 | 43.5000 |
| U2-U4 | 88.9270 | 88.6670 | 84.3500 | 85.1190 |
| U3-U4 | 62.3560 | 62.2540 | 113.8440 | 114.6700 |
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 | 60836.23506401 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416833 |
| DEC | -29.00733 |
| 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 | 56.201 |
| HIERARCH ESO ISS PBL12 END | 56.121 |
| HIERARCH ESO ISS PBLA12 START | 28.7 |
| HIERARCH ESO ISS PBLA12 END | 29.3 |
| HIERARCH ESO ISS PBL13 START | 101.727 |
| HIERARCH ESO ISS PBL13 END | 101.544 |
| HIERARCH ESO ISS PBLA13 START | 35.1 |
| HIERARCH ESO ISS PBLA13 END | 35.7 |
| HIERARCH ESO ISS PBL14 START | 129.246 |
| HIERARCH ESO ISS PBL14 END | 128.864 |
| HIERARCH ESO ISS PBLA14 START | 63.307 |
| HIERARCH ESO ISS PBLA14 END | 64.007 |
| HIERARCH ESO ISS PBL23 START | 46.296 |
| HIERARCH ESO ISS PBL23 END | 46.194 |
| HIERARCH ESO ISS PBLA23 START | 42.8 |
| HIERARCH ESO ISS PBLA23 END | 43.5 |
| HIERARCH ESO ISS PBL24 START | 88.927 |
| HIERARCH ESO ISS PBL24 END | 88.667 |
| HIERARCH ESO ISS PBLA24 START | 84.35 |
| HIERARCH ESO ISS PBLA24 END | 85.119 |
| HIERARCH ESO ISS PBL34 START | 62.356 |
| HIERARCH ESO ISS PBL34 END | 62.254 |
| HIERARCH ESO ISS PBLA34 START | 113.844 |
| HIERARCH ESO ISS PBLA34 END | 114.67 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004812 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005035 |
| HIERARCH ESO ISS AMBI TEMP | 12.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |