Exposure
- ID
- GRAVI.2024-06-24T05:35:57.168_2
- Header ID
- GRAVI.2024-06-24T05:35:57.168
- Date updated
- 2024-06-24 05:50:26 UTC+0000
- Release date
- 2025-06-24 05:50:26 UTC+0000
- UTC Start
- 2024-06-24 05:35:57.168
- UTC End
- 2024-06-24 05:41:57.168
- MJD Start
- 60485.23330056
- MJD End
- 60485.2374672267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 9.82
- Seeing (arcsec)
- 1.045
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 | 55.2150 | 55.0420 | 33.5000 | 34.0000 |
| U1-U3 | 99.4440 | 99.0410 | 39.9000 | 40.4000 |
| U1-U4 | 124.0550 | 123.1110 | 68.7820 | 69.3980 |
| U2-U3 | 44.9870 | 44.7540 | 47.7000 | 48.2000 |
| U2-U4 | 85.1590 | 84.4610 | 90.7620 | 91.5540 |
| U3-U4 | 60.6460 | 60.3180 | 121.1910 | 122.1650 |
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 | 60485.23330056 |
| 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 | 55.215 |
| HIERARCH ESO ISS PBL12 END | 55.042 |
| HIERARCH ESO ISS PBLA12 START | 33.5 |
| HIERARCH ESO ISS PBLA12 END | 34.0 |
| HIERARCH ESO ISS PBL13 START | 99.444 |
| HIERARCH ESO ISS PBL13 END | 99.041 |
| HIERARCH ESO ISS PBLA13 START | 39.9 |
| HIERARCH ESO ISS PBLA13 END | 40.4 |
| HIERARCH ESO ISS PBL14 START | 124.055 |
| HIERARCH ESO ISS PBL14 END | 123.111 |
| HIERARCH ESO ISS PBLA14 START | 68.782 |
| HIERARCH ESO ISS PBLA14 END | 69.398 |
| HIERARCH ESO ISS PBL23 START | 44.987 |
| HIERARCH ESO ISS PBL23 END | 44.754 |
| HIERARCH ESO ISS PBLA23 START | 47.7 |
| HIERARCH ESO ISS PBLA23 END | 48.2 |
| HIERARCH ESO ISS PBL24 START | 85.159 |
| HIERARCH ESO ISS PBL24 END | 84.461 |
| HIERARCH ESO ISS PBLA24 START | 90.762 |
| HIERARCH ESO ISS PBLA24 END | 91.554 |
| HIERARCH ESO ISS PBL34 START | 60.646 |
| HIERARCH ESO ISS PBL34 END | 60.318 |
| HIERARCH ESO ISS PBLA34 START | 121.191 |
| HIERARCH ESO ISS PBLA34 END | 122.165 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 9.82 |
| HIERARCH ESO ISS AMBI FWHM START | 1.11 |
| 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 |