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Ephemeris
Light curve of
97P/Metcalf-Brewington
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dummy
Time Begin
Time End
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Time
Time from peri
Log R
R
Magnitude
m-5logD
Coma
Coma (linear)
Condensation
Mean values in
days
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Comet
Comet; Fixed coefficient for logr:
Asteroid
Asteroid; Fixed coefficient G:
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Comet: m=
+5logD+
logR
Asteroid: H=
G=
Time begin formula
Time end formula
-inf
inf
Date (yyyy-mm-dd)
-
-
Date (yyyy-mm-dd)
-
-
m=
+5logD+
logR
Asteroid: H=
G=
Time begin formula
Time end formula
-inf
inf
Date (yyyy-mm-dd)
-
-
Date (yyyy-mm-dd)
-
-
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AE-Planetary magnitudes
YG-Yale Bright Star Catalogue
HJ-Magnitudes in the Hipparcos photometric system
TK-Tycho-2 Catalogue
AQ-APASS catalog
NH-North Polar Sequence (publ. by Henden and Kaitchuck, 1982
NP-North Polar Sequence (publ. by the AAVSO)
AU-ASAS-3 Catalogue
NO-USNO catalogue
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B - Bobrovnikoff`s method
M - Morris`s method
S - Sidgwick`s method
E - Beyer`s method
I - Variable stars (without defocusing)
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m= 5.5 + 5logd + 15logr [ -inf , inf ]
