Exposure
- ID
- GRAVI.2025-05-13T07:22:40.866_2
- Header ID
- GRAVI.2025-05-13T07:22:40.866
- Date updated
- 2025-05-13 07:36:00 UTC+0000
- Release date
- 2026-05-13 07:35:59 UTC+0000
- UTC Start
- 2025-05-13 07:22:40.866
- UTC End
- 2025-05-13 07:28:40.866
- MJD Start
- 60808.30741743
- MJD End
- 60808.311584096664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.014388999999999999
- Ambient temperature (°C)
- 16.32
- Seeing (arcsec)
- 0.275
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 | 56.2660 | 56.1950 | 28.1000 | 28.7000 |
| U1-U3 | 101.8730 | 101.7120 | 34.4000 | 35.1000 |
| U1-U4 | 129.5380 | 129.2150 | 62.6390 | 63.3550 |
| U2-U3 | 46.3770 | 46.2880 | 42.2000 | 42.9000 |
| U2-U4 | 89.1170 | 88.9070 | 83.6290 | 84.4030 |
| U3-U4 | 62.4210 | 62.3480 | 113.0840 | 113.9020 |
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 | 60808.30741743 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416445 |
| 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 | 56.266 |
| HIERARCH ESO ISS PBL12 END | 56.195 |
| HIERARCH ESO ISS PBLA12 START | 28.1 |
| HIERARCH ESO ISS PBLA12 END | 28.7 |
| HIERARCH ESO ISS PBL13 START | 101.873 |
| HIERARCH ESO ISS PBL13 END | 101.712 |
| HIERARCH ESO ISS PBLA13 START | 34.4 |
| HIERARCH ESO ISS PBLA13 END | 35.1 |
| HIERARCH ESO ISS PBL14 START | 129.538 |
| HIERARCH ESO ISS PBL14 END | 129.215 |
| HIERARCH ESO ISS PBLA14 START | 62.639 |
| HIERARCH ESO ISS PBLA14 END | 63.355 |
| HIERARCH ESO ISS PBL23 START | 46.377 |
| HIERARCH ESO ISS PBL23 END | 46.288 |
| HIERARCH ESO ISS PBLA23 START | 42.2 |
| HIERARCH ESO ISS PBLA23 END | 42.9 |
| HIERARCH ESO ISS PBL24 START | 89.117 |
| HIERARCH ESO ISS PBL24 END | 88.907 |
| HIERARCH ESO ISS PBLA24 START | 83.629 |
| HIERARCH ESO ISS PBLA24 END | 84.403 |
| HIERARCH ESO ISS PBL34 START | 62.421 |
| HIERARCH ESO ISS PBL34 END | 62.348 |
| HIERARCH ESO ISS PBLA34 START | 113.084 |
| HIERARCH ESO ISS PBLA34 END | 113.902 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.013966 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.014812 |
| HIERARCH ESO ISS AMBI TEMP | 16.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.28 |
| HIERARCH ESO ISS AMBI FWHM END | 0.27 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |