Exposure
- ID
- GRAVI.2025-06-10T04:25:44.346_2
- Header ID
- GRAVI.2025-06-10T04:25:44.346
- Date updated
- 2025-06-10 04:40:42 UTC+0000
- Release date
- 2026-06-10 04:40:42 UTC+0000
- UTC Start
- 2025-06-10 04:25:44.346
- UTC End
- 2025-06-10 04:31:44.346
- MJD Start
- 60836.18454104
- MJD End
- 60836.188707706664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0073595
- Ambient temperature (°C)
- 13.19
- Seeing (arcsec)
- 0.4
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 | 56.5590 | 56.5590 | 20.6000 | 21.4000 |
| U1-U3 | 102.4000 | 102.4230 | 26.8000 | 27.6000 |
| U1-U4 | 129.3230 | 129.6040 | 54.4140 | 55.2880 |
| U2-U3 | 46.5770 | 46.6070 | 34.3000 | 35.2000 |
| U2-U4 | 88.1710 | 88.5040 | 75.3490 | 76.1910 |
| U3-U4 | 61.2080 | 61.4890 | 105.3110 | 106.0240 |
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 | 60836.18454104 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416537 |
| DEC | -29.00738 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 20.6 |
| HIERARCH ESO ISS PBLA12 END | 21.4 |
| HIERARCH ESO ISS PBL13 START | 102.4 |
| HIERARCH ESO ISS PBL13 END | 102.423 |
| HIERARCH ESO ISS PBLA13 START | 26.8 |
| HIERARCH ESO ISS PBLA13 END | 27.6 |
| HIERARCH ESO ISS PBL14 START | 129.323 |
| HIERARCH ESO ISS PBL14 END | 129.604 |
| HIERARCH ESO ISS PBLA14 START | 54.414 |
| HIERARCH ESO ISS PBLA14 END | 55.288 |
| HIERARCH ESO ISS PBL23 START | 46.577 |
| HIERARCH ESO ISS PBL23 END | 46.607 |
| HIERARCH ESO ISS PBLA23 START | 34.3 |
| HIERARCH ESO ISS PBLA23 END | 35.2 |
| HIERARCH ESO ISS PBL24 START | 88.171 |
| HIERARCH ESO ISS PBL24 END | 88.504 |
| HIERARCH ESO ISS PBLA24 START | 75.349 |
| HIERARCH ESO ISS PBLA24 END | 76.191 |
| HIERARCH ESO ISS PBL34 START | 61.208 |
| HIERARCH ESO ISS PBL34 END | 61.489 |
| HIERARCH ESO ISS PBLA34 START | 105.311 |
| HIERARCH ESO ISS PBLA34 END | 106.024 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007592 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007127 |
| HIERARCH ESO ISS AMBI TEMP | 13.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |