Exposure
- ID
- GRAVI.2025-05-13T09:53:38.251_2
- Header ID
- GRAVI.2025-05-13T09:53:38.251
- Date updated
- 2025-05-13 10:05:57 UTC+0000
- Release date
- 2026-05-13 10:05:57 UTC+0000
- UTC Start
- 2025-05-13 09:53:38.251
- UTC End
- 2025-05-13 09:59:38.251
- MJD Start
- 60808.41224827
- MJD End
- 60808.41641493666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0106525
- Ambient temperature (°C)
- 16.41
- Seeing (arcsec)
- 0.28
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 | 51.4670 | 51.0920 | 39.3000 | 39.6000 |
| U1-U3 | 90.8190 | 89.9670 | 45.5000 | 45.8000 |
| U1-U4 | 104.1940 | 102.2800 | 76.9510 | 77.4960 |
| U2-U3 | 40.0380 | 39.5540 | 53.5000 | 53.7000 |
| U2-U4 | 70.7980 | 69.4660 | 103.3030 | 104.3570 |
| U3-U4 | 54.4010 | 53.8870 | 137.5270 | 138.9210 |
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 | 60808.41224827 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416489 |
| DEC | -29.00754 |
| 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 | 51.467 |
| HIERARCH ESO ISS PBL12 END | 51.092 |
| HIERARCH ESO ISS PBLA12 START | 39.3 |
| HIERARCH ESO ISS PBLA12 END | 39.6 |
| HIERARCH ESO ISS PBL13 START | 90.819 |
| HIERARCH ESO ISS PBL13 END | 89.967 |
| HIERARCH ESO ISS PBLA13 START | 45.5 |
| HIERARCH ESO ISS PBLA13 END | 45.8 |
| HIERARCH ESO ISS PBL14 START | 104.194 |
| HIERARCH ESO ISS PBL14 END | 102.28 |
| HIERARCH ESO ISS PBLA14 START | 76.951 |
| HIERARCH ESO ISS PBLA14 END | 77.496 |
| HIERARCH ESO ISS PBL23 START | 40.038 |
| HIERARCH ESO ISS PBL23 END | 39.554 |
| HIERARCH ESO ISS PBLA23 START | 53.5 |
| HIERARCH ESO ISS PBLA23 END | 53.7 |
| HIERARCH ESO ISS PBL24 START | 70.798 |
| HIERARCH ESO ISS PBL24 END | 69.466 |
| HIERARCH ESO ISS PBLA24 START | 103.303 |
| HIERARCH ESO ISS PBLA24 END | 104.357 |
| HIERARCH ESO ISS PBL34 START | 54.401 |
| HIERARCH ESO ISS PBL34 END | 53.887 |
| HIERARCH ESO ISS PBLA34 START | 137.527 |
| HIERARCH ESO ISS PBLA34 END | 138.921 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011206 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010099 |
| HIERARCH ESO ISS AMBI TEMP | 16.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.28 |
| HIERARCH ESO ISS AMBI FWHM END | 0.28 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |