Exposure
- ID
- GRAVI.2024-04-24T09:08:23.326_2
- Header ID
- GRAVI.2024-04-24T09:08:23.326
- Date updated
- 2024-04-24 09:25:30 UTC+0000
- Release date
- 2024-04-24 09:08:23 UTC+0000
- UTC Start
- 2024-04-24 09:08:23.326
- UTC End
- 2024-04-24 09:13:43.326
- MJD Start
- 60424.38082553
- MJD End
- 60424.3845292337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008274
- Ambient temperature (°C)
- 15.96
- Seeing (arcsec)
- 0.5
Observation
- ID
- 58935
- 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
- 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 | 55.8150 | 55.7080 | 31.2000 | 31.7000 |
| U1-U3 | 100.8380 | 100.5910 | 37.6000 | 38.1000 |
| U1-U4 | 127.2900 | 126.7250 | 66.0720 | 66.6440 |
| U2-U3 | 45.7910 | 45.6490 | 45.3000 | 45.8000 |
| U2-U4 | 87.5430 | 87.1300 | 87.4630 | 88.1370 |
| U3-U4 | 61.7600 | 61.5690 | 117.2840 | 118.0610 |
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 | 60424.38082553 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416969 |
| DEC | -29.0073 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 55.815 |
| HIERARCH ESO ISS PBL12 END | 55.708 |
| HIERARCH ESO ISS PBLA12 START | 31.2 |
| HIERARCH ESO ISS PBLA12 END | 31.7 |
| HIERARCH ESO ISS PBL13 START | 100.838 |
| HIERARCH ESO ISS PBL13 END | 100.591 |
| HIERARCH ESO ISS PBLA13 START | 37.6 |
| HIERARCH ESO ISS PBLA13 END | 38.1 |
| HIERARCH ESO ISS PBL14 START | 127.29 |
| HIERARCH ESO ISS PBL14 END | 126.725 |
| HIERARCH ESO ISS PBLA14 START | 66.072 |
| HIERARCH ESO ISS PBLA14 END | 66.644 |
| HIERARCH ESO ISS PBL23 START | 45.791 |
| HIERARCH ESO ISS PBL23 END | 45.649 |
| HIERARCH ESO ISS PBLA23 START | 45.3 |
| HIERARCH ESO ISS PBLA23 END | 45.8 |
| HIERARCH ESO ISS PBL24 START | 87.543 |
| HIERARCH ESO ISS PBL24 END | 87.13 |
| HIERARCH ESO ISS PBLA24 START | 87.463 |
| HIERARCH ESO ISS PBLA24 END | 88.137 |
| HIERARCH ESO ISS PBL34 START | 61.76 |
| HIERARCH ESO ISS PBL34 END | 61.569 |
| HIERARCH ESO ISS PBLA34 START | 117.284 |
| HIERARCH ESO ISS PBLA34 END | 118.061 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009862 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006686 |
| HIERARCH ESO ISS AMBI TEMP | 15.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |