Exposure
- ID
- GRAVI.2024-05-31T08:12:55.666_2
- Header ID
- GRAVI.2024-05-31T08:12:55.666
- Date updated
- 2024-05-31 08:30:29 UTC+0000
- Release date
- 2025-05-31 08:30:28 UTC+0000
- UTC Start
- 2024-05-31 08:12:55.666
- UTC End
- 2024-05-31 08:18:55.666
- MJD Start
- 60461.34231095
- MJD End
- 60461.3464776167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0015575
- Ambient temperature (°C)
- 15.91
- Seeing (arcsec)
- 1.02
Observation
- ID
- 59423
- Category
- science
- Program ID
- 113.268P.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 52.9620 | 52.6430 | 37.8000 | 38.2000 |
| U1-U3 | 94.2330 | 93.5030 | 44.1000 | 44.5000 |
| U1-U4 | 111.9460 | 110.2760 | 74.4790 | 75.0560 |
| U2-U3 | 41.9860 | 41.5690 | 52.0000 | 52.4000 |
| U2-U4 | 76.2960 | 75.0990 | 98.9440 | 99.9050 |
| U3-U4 | 56.6460 | 56.1400 | 131.7240 | 133.0030 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60461.34231095 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416605 |
| DEC | -29.0072 |
| 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 | 52.962 |
| HIERARCH ESO ISS PBL12 END | 52.643 |
| HIERARCH ESO ISS PBLA12 START | 37.8 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 94.233 |
| HIERARCH ESO ISS PBL13 END | 93.503 |
| HIERARCH ESO ISS PBLA13 START | 44.1 |
| HIERARCH ESO ISS PBLA13 END | 44.5 |
| HIERARCH ESO ISS PBL14 START | 111.946 |
| HIERARCH ESO ISS PBL14 END | 110.276 |
| HIERARCH ESO ISS PBLA14 START | 74.479 |
| HIERARCH ESO ISS PBLA14 END | 75.056 |
| HIERARCH ESO ISS PBL23 START | 41.986 |
| HIERARCH ESO ISS PBL23 END | 41.569 |
| HIERARCH ESO ISS PBLA23 START | 52.0 |
| HIERARCH ESO ISS PBLA23 END | 52.4 |
| HIERARCH ESO ISS PBL24 START | 76.296 |
| HIERARCH ESO ISS PBL24 END | 75.099 |
| HIERARCH ESO ISS PBLA24 START | 98.944 |
| HIERARCH ESO ISS PBLA24 END | 99.905 |
| HIERARCH ESO ISS PBL34 START | 56.646 |
| HIERARCH ESO ISS PBL34 END | 56.14 |
| HIERARCH ESO ISS PBLA34 START | 131.724 |
| HIERARCH ESO ISS PBLA34 END | 133.003 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001577 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001538 |
| HIERARCH ESO ISS AMBI TEMP | 15.91 |
| HIERARCH ESO ISS AMBI FWHM START | 1.04 |
| HIERARCH ESO ISS AMBI FWHM END | 1.0 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |