Exposure
- ID
- GRAVI.2024-06-24T05:57:54.224_2
- Header ID
- GRAVI.2024-06-24T05:57:54.224
- Date updated
- 2024-06-24 06:15:30 UTC+0000
- Release date
- 2025-06-24 06:15:30 UTC+0000
- UTC Start
- 2024-06-24 05:57:54.224
- UTC End
- 2024-06-24 06:03:54.224
- MJD Start
- 60485.24854426
- MJD End
- 60485.2527109267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 9.99
- Seeing (arcsec)
- 0.945
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- 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 | 54.5730 | 54.3540 | 35.2000 | 35.7000 |
| U1-U3 | 97.9500 | 97.4430 | 41.5000 | 42.0000 |
| U1-U4 | 120.5560 | 119.3720 | 70.8480 | 71.4410 |
| U2-U3 | 44.1240 | 43.8310 | 49.4000 | 49.9000 |
| U2-U4 | 82.5730 | 81.7000 | 93.4960 | 94.3230 |
| U3-U4 | 59.4400 | 59.0390 | 124.6030 | 125.6620 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60485.24854426 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416828 |
| DEC | -29.00731 |
| 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 | 54.573 |
| HIERARCH ESO ISS PBL12 END | 54.354 |
| HIERARCH ESO ISS PBLA12 START | 35.2 |
| HIERARCH ESO ISS PBLA12 END | 35.7 |
| HIERARCH ESO ISS PBL13 START | 97.95 |
| HIERARCH ESO ISS PBL13 END | 97.443 |
| HIERARCH ESO ISS PBLA13 START | 41.5 |
| HIERARCH ESO ISS PBLA13 END | 42.0 |
| HIERARCH ESO ISS PBL14 START | 120.556 |
| HIERARCH ESO ISS PBL14 END | 119.372 |
| HIERARCH ESO ISS PBLA14 START | 70.848 |
| HIERARCH ESO ISS PBLA14 END | 71.441 |
| HIERARCH ESO ISS PBL23 START | 44.124 |
| HIERARCH ESO ISS PBL23 END | 43.831 |
| HIERARCH ESO ISS PBLA23 START | 49.4 |
| HIERARCH ESO ISS PBLA23 END | 49.9 |
| HIERARCH ESO ISS PBL24 START | 82.573 |
| HIERARCH ESO ISS PBL24 END | 81.7 |
| HIERARCH ESO ISS PBLA24 START | 93.496 |
| HIERARCH ESO ISS PBLA24 END | 94.323 |
| HIERARCH ESO ISS PBL34 START | 59.44 |
| HIERARCH ESO ISS PBL34 END | 59.039 |
| HIERARCH ESO ISS PBLA34 START | 124.603 |
| HIERARCH ESO ISS PBLA34 END | 125.662 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 9.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.91 |
| HIERARCH ESO ISS AMBI FWHM END | 0.98 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |