Exposure
- ID
- GRAVI.2024-07-18T03:25:09.520_2
- Header ID
- GRAVI.2024-07-18T03:25:09.520
- Date updated
- 2024-07-18 08:45:42 UTC+0000
- Release date
- 2025-07-18 08:45:39 UTC+0000
- UTC Start
- 2024-07-18 03:25:09.520
- UTC End
- 2024-07-18 03:31:09.520
- MJD Start
- 60509.1424713
- MJD End
- 60509.14663796667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0107615
- Ambient temperature (°C)
- 17.32
- Seeing (arcsec)
- 0.385
Observation
- ID
- 60139
- Category
- science
- Program ID
- 113.268P.004
- 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
- 266.4170833333333
- DEC
- -29.007681694444443
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 | 55.9680 | 55.8610 | 30.3000 | 30.9000 |
| U1-U3 | 101.1920 | 100.9450 | 36.7000 | 37.3000 |
| U1-U4 | 128.0920 | 127.5350 | 65.1310 | 65.8010 |
| U2-U3 | 45.9940 | 45.8520 | 44.5000 | 45.1000 |
| U2-U4 | 88.1230 | 87.7210 | 86.3800 | 87.1480 |
| U3-U4 | 62.0210 | 61.8410 | 116.0590 | 116.9260 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60509.1424713 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 55.968 |
| HIERARCH ESO ISS PBL12 END | 55.861 |
| HIERARCH ESO ISS PBLA12 START | 30.3 |
| HIERARCH ESO ISS PBLA12 END | 30.9 |
| HIERARCH ESO ISS PBL13 START | 101.192 |
| HIERARCH ESO ISS PBL13 END | 100.945 |
| HIERARCH ESO ISS PBLA13 START | 36.7 |
| HIERARCH ESO ISS PBLA13 END | 37.3 |
| HIERARCH ESO ISS PBL14 START | 128.092 |
| HIERARCH ESO ISS PBL14 END | 127.535 |
| HIERARCH ESO ISS PBLA14 START | 65.131 |
| HIERARCH ESO ISS PBLA14 END | 65.801 |
| HIERARCH ESO ISS PBL23 START | 45.994 |
| HIERARCH ESO ISS PBL23 END | 45.852 |
| HIERARCH ESO ISS PBLA23 START | 44.5 |
| HIERARCH ESO ISS PBLA23 END | 45.1 |
| HIERARCH ESO ISS PBL24 START | 88.123 |
| HIERARCH ESO ISS PBL24 END | 87.721 |
| HIERARCH ESO ISS PBLA24 START | 86.38 |
| HIERARCH ESO ISS PBLA24 END | 87.148 |
| HIERARCH ESO ISS PBL34 START | 62.021 |
| HIERARCH ESO ISS PBL34 END | 61.841 |
| HIERARCH ESO ISS PBLA34 START | 116.059 |
| HIERARCH ESO ISS PBLA34 END | 116.926 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011773 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00975 |
| HIERARCH ESO ISS AMBI TEMP | 17.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |