Exposure
- ID
- GRAVI.2024-04-25T06:56:18.694_2
- Header ID
- GRAVI.2024-04-25T06:56:18.694
- Date updated
- 2024-04-25 07:10:34 UTC+0000
- Release date
- 2024-04-25 06:56:18 UTC+0000
- UTC Start
- 2024-04-25 06:56:18.694
- UTC End
- 2024-04-25 07:02:18.694
- MJD Start
- 60425.28910525
- MJD End
- 60425.2932719167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0095975
- Ambient temperature (°C)
- 15.11
- Seeing (arcsec)
- 0.44
Observation
- ID
- 58932
- Category
- calibrator
- Program ID
- 113.268P.001
- 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
- 43558
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816666667
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 | 56.5150 | 56.5300 | 16.9000 | 17.7000 |
| U1-U3 | 102.1600 | 102.2290 | 22.9000 | 23.8000 |
| U1-U4 | 127.4740 | 127.9580 | 50.2110 | 51.1740 |
| U2-U3 | 46.3470 | 46.4090 | 30.3000 | 31.2000 |
| U2-U4 | 86.0650 | 86.6120 | 71.3700 | 72.2740 |
| U3-U4 | 59.4910 | 59.9330 | 102.1450 | 102.8360 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60425.28910525 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416859 |
| DEC | -29.00735 |
| 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 | 56.515 |
| HIERARCH ESO ISS PBL12 END | 56.53 |
| HIERARCH ESO ISS PBLA12 START | 16.9 |
| HIERARCH ESO ISS PBLA12 END | 17.7 |
| HIERARCH ESO ISS PBL13 START | 102.16 |
| HIERARCH ESO ISS PBL13 END | 102.229 |
| HIERARCH ESO ISS PBLA13 START | 22.9 |
| HIERARCH ESO ISS PBLA13 END | 23.8 |
| HIERARCH ESO ISS PBL14 START | 127.474 |
| HIERARCH ESO ISS PBL14 END | 127.958 |
| HIERARCH ESO ISS PBLA14 START | 50.211 |
| HIERARCH ESO ISS PBLA14 END | 51.174 |
| HIERARCH ESO ISS PBL23 START | 46.347 |
| HIERARCH ESO ISS PBL23 END | 46.409 |
| HIERARCH ESO ISS PBLA23 START | 30.3 |
| HIERARCH ESO ISS PBLA23 END | 31.2 |
| HIERARCH ESO ISS PBL24 START | 86.065 |
| HIERARCH ESO ISS PBL24 END | 86.612 |
| HIERARCH ESO ISS PBLA24 START | 71.37 |
| HIERARCH ESO ISS PBLA24 END | 72.274 |
| HIERARCH ESO ISS PBL34 START | 59.491 |
| HIERARCH ESO ISS PBL34 END | 59.933 |
| HIERARCH ESO ISS PBLA34 START | 102.145 |
| HIERARCH ESO ISS PBLA34 END | 102.836 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009057 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010138 |
| HIERARCH ESO ISS AMBI TEMP | 15.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |